The correct term is gamblers (Yes, with tilde). Plural of gambler. In Colombia to say very expert in the game, crafty, cheat, con man, marrullero. Addicted to the game, ludopata.
Plural of gambler. For etymology see: http://www.significadode.org/tah ur.htm
TAHURES:JUGADOR CHEATS, CROOKS, DECEIVERS.