influential person vs doer

influential person and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
influential person	Yes	No	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of influential person; that is, doer is a word with a broader meaning than influential person:

influential person: a person whose actions and opinions strongly influence the course of events
doer: a person who acts and gets things done

Other hypernyms of influential person include actor, worker.

influential person (noun)	doer (noun)
a person whose actions and opinions strongly influence the course of events	a person who acts and gets things done