What is the meaning of dealer?

noun

• Someone who purchases and maintains an inventory of goods to be sold.
  • synonyms: trader, bargainer, monger
• A firm engaged in trading.
• A seller of illicit goods.
  • usage: "a dealer in stolen goods"
• The major party to a financial transaction at a stock exchange; buys and sells for his own account.
  • synonyms: principal
• The person who distributes the playing cards in a card game. .