eccentric person vs doer

eccentric person and doer both are nouns.

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

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

Other hypernyms of eccentric person include actor, worker.

eccentric person (noun)	doer (noun)
a person with an unusual or odd personality	a person who acts and gets things done