dealer:
(plural: ‘dealers‘)
a used car dealer
a person who does some business (trade), usually buying large quantities at cheap rate and selling small quantities (retail) at high rate, making a profit — an antique dealer, an art dealer, a car dealer, a drug dealer, a cloth dealer, a dealer in illicit goods, a dealer in stolen goods, etc.;
a trader;
a business person who has valid permit to supply material to others;
a player whose turn it is to distribute cards to other players in a card game;
a person or firm that buys and sells major shares for their own account at a stock exchange (stock market),
a card/casino dealer
Stalin is a used car dealer who makes good money buying and selling used cars.
A dealer owns nothing and invests very little in any business deal; he/she takes care of transactions on behalf of others and gets his/her share of profit when the deal is finalised.
The police are searching every house in our neighbourhood for two young men who they suspect are illicit drug dealers.
Of all the dealers, art dealers are the ones that are well-respected and well-paid because those who sell or buy paintings are naturally rich and carefree and don’t mind if a couple of thousands is lost or gained!
an art dealer
