Gamester
Gamester (gām"stẽr) , noun
[Game + -ster.]
1.
A merry, frolicsome person. [Obsolete] — Shakespeare
2.
A person who plays at games; esp., one accustomed to play for a stake; a gambler; one skilled in games.
When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner.
3.
A prostitute; a strumpet. [Obsolete] — Shakespeare