Synonyms and related words :
adventurer, betting ring, boneshaker, cardshark, cardsharp, cardsharper, compulsive gambler, crap shooter, gambler, gamester, hazarder, petty gambler, piker, player, plunger, punter, sharp, sharper, sharpie, speculator, sport, sporting man, sportsman, tinhorn, tipster, tout, venturer, wagerer