Dealer (noun)

1. A person or company that sells goods.
2. A person who buys and sells shares, securities or other financial assets as a principal or for commission.
3. A person who deals or trades in drugs.
4. A person who deals cards in a game of cards.

Origin:

Late middle english: from old french dealer, from dealer "to divide", from the verb deleer, from latin dividere.

Examples:

1. The dealer offered a good price for the car.
2. He is a dealer in antique furniture.
3. She's a stock dealer.
4. The police arrested a drug dealer.
5. He was the dealer in the game of poker.