One engaged in a commercial pursuit. A commercial pursuit is one in which the thing pursued is a dollar.
Ambrose BierceWHEAT, n. A cereal from which a tolerably good whisky can be made; . . . also for bread. The French are said to eat more bread "per capita" of population than any other people, which is natural, for only they know how to make the stuff palatable.
Ambrose BierceTAIL, n. The part of an animal's spine that has transcended its natural limitations to set up an independent existence in a world of its own.
Ambrose Bierce