A drug dealer, one who peddles illicit drugs.
A particular type of stock broker or trader.
One who deals in goods, especially automobiles; a middleman.
The person who deals the cards in a card game.
One who deals or metes out anything.
One who studies pharmacy.
A health professional who controls, formulates, preserves, and dispenses medications and provides medical advice and counseling on how medicines should be used in order to achieve maximum benefit, and minimal side effects in order to avoid drug interactions.