salesperson

noun

she worked as a salesperson for a time:

salesman, saleswoman, sales assistant, assistant, shop assistant, saleslady, salesgirl, seller, negotiator, representative, sales representative, agent;

reseller, auctioneer, traveling salesperson/salesman/saleswoman, shopkeeper, trader, merchant, dealer, pedlar, hawker;

North American sales clerk;

informal counter-jumper, rep, knight of the road;

dated shop boy, shop girl, shopman, traveler, commercial traveler.