dealer

noun

1.
someone who purchases and maintains an inventory of goods to be sold
chapmanship bargainer monger trader
Derived from:
deal dealership
2.
a firm engaged in trading
Derived from:
deal dealership
3.
a seller of illicit goods
Derived from:
deal
4.
the major party to a financial transaction at a stock exchange; buys and sells for their own account
principal
Derived from:
deal
5.
the person who distributes the playing cards in a card game
Derived from:
deal