gambler
n. countable B1 Intermediate US //ˈɡæmbɫɝ// UK //ɡˈæmblɐ// gam·bler
n. a person who risks money on games of chance or the result of a race. You use this for someone who plays cards for money or bets on sports.
n. a person who wagers money or assets on the outcome of a game, contest, or uncertain event. Refers to both recreational participants and those with a compulsive behavioral pattern.
The gambler lost all his money at the poker table.
A professional gambler often relies on mathematical probability rather than pure luck to make a living.
The novel depicts the protagonist as a desperate gambler who views every social interaction as a high-stakes wager he cannot afford to lose.
From gamble + -er.