Cheerleader
/ˈtʃɪrˌliːdər/
Synonyms
- enthusiast
- fan
- supporter
- promoter
Slang Meanings
A fanatical supporter.
He's such a cheerleader for that band; he goes to all their shows.
Someone who is overly enthusiastic about something.
She's a cheerleader for environmental causes, always promoting green initiatives.