Someone who promotes or exchanges goods or services for money.

synonyms: marketer, seller, trafficker, vendor.

Roget 796: sale, vent, disposal; auction, roup, Dutch auction; outcry, vendue^†; custom etc. (traffic) 794.    vendibility, vendibleness^†.    seller; vender, vendor; merchant etc. 797; auctioneer.    ... show more

Dutch: handelaar, marketeer, verkoopster, leverancier, verkoper
Polish: ekspedient, sklepowy, sprzedawca