Someone who makes an offer.

Roget 767: petitioner, solicitor, applicant; suppliant, supplicant; suitor, candidate, claimant, postulant, aspirant, competitor, bidder; place hunter, pot hunter; prizer^†; seeker.    beggar, mendicant, moocher, panhandler, freeloader, sponger, mumper^†, sturdy beggar, cadger; hotel runner, runner, steerer [U.S.], tout, touter^†.    [poor person] pauper, homeless person, hobo, bum, tramp, bindle stiff, bo, knight of the road (poverty) 804; hippie, flower child; hard core unemployed; welfare client, welfare case.    canvasser, bagman etc. 758; salesman.    ... show more

Dutch: bieder
Polish: oferent

Someone who makes a bid at cards.