punter vs gambler

punter and gambler both are nouns.

Word	Noun	Adjective	Verb	Adverb
punter	Yes	No	No	No
gambler	Yes	No	No	No

As nouns, gambler is a hypernym of punter; that is, gambler is a word with a broader meaning than punter:

punter: someone who bets
gambler: a person who wagers money on the outcome of games or sporting events

punter (noun)	gambler (noun)
(football) a person who kicks the football by dropping it from the hands and contacting it with the foot before it hits the ground	a person who wagers money on the outcome of games or sporting events
someone who bets	someone who risks loss or injury in the hope of gain or excitement
someone who propels a boat with a pole