agent, arbitrator, broker, chandler, connection, contact, dealer, deputy, distributor, entrepreneur, front, front man, go-between, importer, interagent, interceder, intercessor, intermediary, intermediate, intermediate agent, intermediator, intermedium, internuncio, interpleader, intervener, interventionist, interventor, jobber, liaison, link, marketer, mediary, mediator, medium, merchandiser, merchant, monger, mouthpiece, negotiant, negotiator, negotiatress, negotiatrix, ombudsman, regrater, retail dealer, retail merchant, retailer, shopkeeper, spokesman, spokeswoman, storekeeper, tie, trader, tradesman, tradeswoman, trafficker, wholesaler