an enterprising person determined to succeed; go-getter.

Slang . a person who employs fraudulent or unscrupulous methods to obtain money; swindler.

Informal . an expert gambler or game player who seeks out challengers, esp. unsuspecting amateur ones, in order to win money from them

He earned his living as a pool hustler.

Slang . a prostitute.

a person who hustles.

noun

call girl , cheater , fast talker , floozy , grifter , hooker , rip-off artist , scam artist , streetwalker , swindler , whore , dynamo , peeler , prostitute