idol worshiper vs idolizer

idol worshiper and idolizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
idol worshiper	Yes	No	No	No
idolizer	Yes	No	No	No

As nouns, idol worshiper and idolizer are synonyms defined as:

Other synonyms of idol worshiper include idolater, idoliser.

idol worshiper (noun)	idolizer (noun)
a person who worships idols	a person who worships idols
	a lover blind with admiration and devotion