curator vs keeper

curator and keeper both are nouns.

Word	Noun	Adjective	Verb	Adverb
curator	Yes	No	No	No
keeper	Yes	No	No	No

As nouns, keeper is a hypernym of curator; that is, keeper is a word with a broader meaning than curator:

Other hypernyms of curator include custodian, steward.

curator (noun)	keeper (noun)
the custodian of a collection (as a museum or library)	one having charge of buildings or grounds or animals
	someone in charge of other people