miracle man vs doer

miracle man and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
miracle man	Yes	No	No	No
doer	Yes	No	No	No

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

Other hypernyms of miracle man include actor, worker.

miracle man (noun)	doer (noun)
a person who claims or is alleged to perform miracles	a person who acts and gets things done