marketer

One that sells goods or services in or to a market, especially one that markets a specified commodity.

One who attends a market; one who exposes anything for sale in a market.

One who goes to market; a purchaser of supplies; a purveyor.

One who attends a market to buy or sell; one who carries goods to market.

One who designs and executes marketing campaigns.

someone who promotes or exchanges goods or services for money