caregiver vs actor

caregiver and actor both are nouns.

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

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

caregiver: a person who is responsible for attending to the needs of a child or dependent adult
actor: a person who acts and gets things done

Other hypernyms of caregiver include doer, worker.

caregiver (noun)	actor (noun)
a person who is responsible for attending to the needs of a child or dependent adult	a theatrical performer
a person who helps in identifying or preventing or treating illness or disability	a person who acts and gets things done