is a specific kind of: participant, player.

is a broader term that covers: bridge player, hand | cardholder | card shark, card sharp, card sharper, cardsharp, cardsharper, sharper, sharpie, sharpy | dealer | elder hand, eldest hand | shuffler.

instances of which are: Culbertson, Ely Culbertson | Edmond Hoyle, Hoyle.