Most important house to determine Occupation or Profession. Generally speaking:-
Jupiter and Mercury refer to Intellectual Avocations,
Venus to Aesthetic Professions,
Sun, Moon, Mars to Economic Occupations,
Mercury to Traders,
Saturn to Hard working job,
Rahu & Ketu to Routine workers
If the Lord of the Navamsa occupied by the 10th lord is :-
The Sun Medicine, Wool, Grass, Grain, Gold, Diplomacy, and Mediation and Arbitrations
The Moon Ships, Pearls, Sea-products, Agriculture, Horticulture, humour, (Cartoonist)Women, and Clothes.
The Mars Metals, minerals, Buildings, Occupations involving fire, Thieving, Feats of valour, Military occupations, Butchering , Driving, Chemist-shops and Doctring.
The Mercury Mathematicians, Poet, Artist, Sculptor , Writer, Journalist, Astrologers, priest Services can be engaged and similar callings
The Jupiter Judge, Teacher, Counsellor, Lawyer, Bankers, Ministers, Preachers, etc.
The Venus As a dealer in Gold, Precious stones, Cattle, apprel, and Textiles, Beautician, Perfumes, Elephants, horses, Cars,and other conveyances, Hoteliering, and Through Show-business such as Cinema, Dancing, dramas and the like.
The Saturn Craft, tilling, Factory, and Mill-workers, Labour of every kinds, Jailer, wardens, Shoe-maker, Miners, Practitioner of Wichcraft,
The Nature of the Sign the Xth falls:-
Fiery Engineering, Steel & Iron industries, Combustion engines, Locomotives,
Airy Intellectual professions, Philosophers, Writers, Thinkers, Scientist and Researchers
Earthy Administration, Economics, Construction of Buildings, Mining, Agriculture, Estate agencies
Watery Liquid-chemistry, Biology, Dairy-farming, Breweries, Bottled drinks, Laundries, Shipping and Water technology