disprover vs debater

disprover and debater both are nouns.

Word	Noun	Adjective	Verb	Adverb
disprover	Yes	No	No	No
debater	Yes	No	No	No

As nouns, debater is a hypernym of disprover; that is, debater is a word with a broader meaning than disprover:

disprover: a debater who refutes or disproves by offering contrary evidence or argument
debater: someone who engages in debate

Other hypernyms of disprover include arguer.

disprover (noun)	debater (noun)
a debater who refutes or disproves by offering contrary evidence or argument	someone who engages in debate