cardsharper

This man, a low fellow, probably a professional cardsharper, vowed that he had been robbed of a jewel which his host had staked, and it was said that a ring of great value had disappeared.

As a boy he had lost money at cards to some cardsharpers who scraped acquaintance with him.

She said that he had been there several nights running with two regular cardsharpers, and they’d been drinking.

Life is not made up of dodges worthy of cardsharpers—and the whole mechanism becomes silly and disgusting.

Wilkie Collins' story, A Terribly Strange Bed, which describes the stratagem of a gang of cardsharpers for getting rid of those who happen to win money from them, is in the same vein.