idolizer
/aɪˈdoʊlaɪzər/Definitions
1. noun
a person who worships or idolizes another person, typically a celebrity
“She’s become an idolizer of the pop star and attends every concert she can.”
2. verb
to regard or worship someone as an idol, typically a celebrity
“He’s been idolizing his favorite musician for years and has all of their albums.”