What is another word for "client"?

Roget's Thesaurus (1911) lists these synonyms for "client": always, applicant, aspirant, bagman, beggar, bidder, bribe, bribery, bum, buy, buyer, cadger, candidate, canvasser, case, caveat, child, claimant, clientele, coemption, competitor, complete, core, counter, customer, employer, emption, flower, hard, hire, hobo, homeless, hotel, hunter, invest, keep, knight, make, market, mendicant.