The 10th house represents career, profession, livelihood, authority, fame, public image, reputation, work environment, and relationship with the father and authority figures (Government).

Whereas the 8th house represents research, discovery, occult, nystical science, sudden changes, dealing with emergencies, money that belongs to others, undergrounds objects such as oil & gas, agricultural produce etc., dealing with secrets, confidential information, relationship with in-laws, and gains from marriage/joint-assets with the spouse.

When the 10th house lord is sitting in the 8th house. Your work would be research-driven. You would deal with confidential information, and negotiate in secret. You may also be interested in the occult. A career as a researcher, a journalist, an astrologer, a detective, a miner, a farmer, or an accountant is most suited for you. You may have to frequently deal with emergencies at work and so your work schedule would be unpredictable. Your career is also likely to change with time. Lastly, the relationship with the father would go through several good and bad phases.

Sun as the lord of the 10th house

If you are a Scorpio ascendant then Sun will be the lord of the 10th house. You would deal with sensitive and confidential information such as credit scores, crime reports, contracts, etc. You could be a government officer, a journalist, a tax investigator, a researcher, a police officer, or a business strategist. You'd be prone to ego issues. You'd work environment could be toxic, so avoid conflicts for your good. The relationship with the father would go through many ups and downs.

Moon as the lord of the 10th house

If you are a Libra ascendant then Moon will be the lord of the 10th house. You'd handle emergencies with a calm state of mind. You'd do well in the field of healthcare – nursing, and psychology. You could be helping old people (ladies) overcome trauma. You could be working in the field of tax advisory too. You would have the full support of your parents (mother) in all the ups & downs of life.

Mercury as the lord of the 10th house

If you are a Sagittarius ascendant then Mercury will be the lord of the 10th house. You'd be blessed with emotional intelligence. You'd good at understanding people - how they think and what their problems are. You'd help people cope with life-altering circumstances. You'd be a psychologist, an astrologer, or a therapist of some kind. You could start your practice since Mercury is also the lord of the 7th house (business). You could also be a human resource manager, or a business developer responsible for building partnerships.

Mercury as the lord of the 10th house

If you are a Virgo ascendant then Mercury will be the lord of the 10th house. You'd have an extraordinary ability to discover information, find trends, patterns, etc. You'd stretch yourself mentally and physically to uncover the truth. And so, you would do well as a journalist, a researcher, a business strategist, or a tax advisor. You could be an astrologer or a psychologist too. You'd also be good at helping people cope with life-altering circumstances.

Venus as the lord of the 10th house

If you are a Capricorn ascendant then Venus will be the lord of the 10th house. You'd be a stylish person leading an extravagant life perhaps in private. You could be working for the Government (taxation), or in the field of healthcare. You could also be a TV presenter or a YouTuber and the theme of your work would be to highlight the pain and suffering of people. You'd get into ego-issues at work that could make your work environment toxic, so avoiding conflicts is very important. A love affair at work could also create problems.

Venus as the lord of the 10th house

If you are a Leo ascendant then Venus will be the lord of the 10th house. You are a creative person, You could be an artist. You would highlight the pain and suffering of people through your work. Occult and mystical science could also be a theme of your work. You could be working in the field of media, entertainment, or healthcare educating women, in particular, overcome trauma. You'd excel in the field of financial advisory too. You would attract good luck and earn more money after marriage. You'd have the full support of your in-laws.

Mars as the lord of the 10th house

If you are a Cancer ascendant then Mars will be the lord of the 10th house. Your work would be research-driven, scientific and futuristic. You could be working in the field of technology, oil & gas, or finance. You'd be working for a big corporation/Government. You'd showcase extraordinary courage, determination, and resilience under challenging circumstances. You'd have a never-give-up attitude. You'd be good at fighting emergencies and so you could also be a police officer, a fire-fighter, a lawyer, a sportsperson, or part of defence forces.

Mars as the lord of the 10th house

If you are an Aquarius ascendant then Mars will be the lord of the 10th house. You'd excel in the field of research and analytics. You'd be a detail-oriented person - a perfectionist. You could be working in the field of technology, oil & gas, or finance. You'd showcase extraordinary courage, determination, and resilience under challenging circumstances. You'd have a never-give-up attitude. You'd be good at fighting emergencies and so you could also be a police officer, a fire-fighter, a lawyer, or part of defence forces.

Jupiter as the lord of the 10th house

If you are a Pisces ascendant then Jupiter will be the lord of the 10th house. You'd be blessed with the knowledge, wisdom, and experience to deal with emergencies. You'd guide others to overcome a difficult situation such as a legal issue, a financial setback, or a health problem. You'd be a lawyer (mergers and acquisition), a business strategist, a relationship manager, an astrologer, a mentor, a teacher, or a trainer of some kind. You'd have a natural interest in the field of research, or mystical science. You'd gain financially after marriage.

Jupiter as the lord of the 10th house

If you are a Gemini ascendant then Jupiter will be the lord of the 10th house. You'd be a practical person who'd believe in things as they are and not how they are projected. You'd guide others to overcome a difficult situation such as a legal issue, a financial setback, or a health problem. You could be working for the Government in the field of finance (tax), or law, or as a teacher, trainer, mentor, or guide of some kind. You'd have a natural interest in the field of research, or mystical science. If the longitude of Jupiter is close to 5 degrees, you could be misguided in your career in your 20s even by your family members (father) even though they would have good intentions. So, you must follow your own path. Career would be stable after you turn 30.

Saturn as the lord of the 10th house

If you are an Aries ascendant then Saturn will be the lord of the 10th house. Your work would be research-driven, and scientific. You could most likely be in the field of engineering (oil & gas), or agriculture. You'd be working on long-term projects. The work would be routine-based and work hours could be long. But career would be stable. Wealth creation after marriage would be slow but steady. The relationship with the in-laws would be distant.

Saturn as the lord of the 10th house

If you are a Taurus ascendant then Saturn will be the lord of the 10th house. Your work would be research-driven, scientific, and futuristic. You could pursue a career in the field of academics (professor) and pursue higher education (a Ph.D.) in a foreign land. You could most likely be in the field of engineering, or agriculture. The work would be routine-based and work hours could be long. But career would be stable. Wealth creation after marriage would be slow but steady. The relationship with the in-laws would be distant.

Rahu as the lord of the 10th house

If you are a Taurus ascendant then Rahu will be the lord of the 10th house. Your work would be research-driven, scientific, and futuristic. You could pursue a career in the field of academics (professor) and pursue higher education (a Ph.D.) in a foreign land. Your work would give you exposure to different cultures. You could be working for a big corporation. You could also be interested in the field of occult.

Ketu as the lord of the 10th house

If you are an Aquarius ascendant then Ketu will be the lord of the 10th house. You'd naturally be good with numbers. You could be in a career in the field of finance, research, analytics, mystical science (astrology), healthcare, or public service of some kind. The relationship with the in-laws would be distant.