personage vs important person

personage and important person both are nouns.

Word	Noun	Adjective	Verb	Adverb
personage	Yes	No	No	No
important person	Yes	No	No	No

As nouns, personage and important person are synonyms defined as:

personage and important person: a person whose actions and opinions strongly influence the course of events

Other synonyms of personage include influential person.

personage (noun)	important person (noun)
another word for person; a person not meriting identification	a person whose actions and opinions strongly influence the course of events
a person whose actions and opinions strongly influence the course of events