assimilator vs actor

assimilator and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
assimilator	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of assimilator; that is, actor is a word with a broader meaning than assimilator:

assimilator: someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs
actor: a person who acts and gets things done

Other hypernyms of assimilator include doer, worker.

assimilator (noun)	actor (noun)
someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs	a theatrical performer
	a person who acts and gets things done