modifier vs actor

modifier and actor both are nouns.

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

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

Other hypernyms of modifier include doer, worker.

modifier (noun)	actor (noun)
a gene that modifies the effect produced by another gene	a theatrical performer
a content word that qualifies the meaning of a noun or verb	a person who acts and gets things done
a person who changes something
a moderator who makes less extreme or uncompromising