stooper vs salvager

stooper and salvager both are nouns.

Word	Noun	Adjective	Verb	Adverb
stooper	Yes	No	No	No
salvager	Yes	No	No	No

As nouns, salvager is a hypernym of stooper; that is, salvager is a word with a broader meaning than stooper:

stooper: a person at a racetrack who searches for winning parimutuel tickets that have been carelessly discarded by others
salvager: someone who salvages

Other hypernyms of stooper include salvor.

stooper (noun)	salvager (noun)
a person who carries himself or herself with the head and shoulders habitually bent forward	someone who salvages
a person at a racetrack who searches for winning parimutuel tickets that have been carelessly discarded by others