A salesperson is a person who sells goods or services to customers. Common terms for a salesperson include VENDOR, DEALER, CLERK, REP, and AGENT. A VENDOR is someone who sells goods or services in a market or fair. A DEALER is someone who sells goods or services from a shop or store. A CLERK is someone who works in a shop or store and assists customers with their purchases. A REP is a representative of a company who sells goods or services on behalf of the company. An AGENT is someone who acts on behalf of another person or company in order to negotiate or transact business.