What is another word for "merchant"?

Roget's Thesaurus (1911) lists these synonyms for "merchant": accountant, against, agent, aid, almoner, arm, auction, auctioneer, back, banker, batman, bear, bearer, beat, bring, broker, bull, bursar, bursary, buyer, cadger, cambist, camelot, cash, cashier, cater, caterer, chandler, changer, chapman, chose, colporteur, commissariat, commissary, comprador, concern, costermonger, counter, custom, day.