cheerleader
//ˈtʃɪəˌliːdə(r)//
Noun
cheerleaderSingular
cheerleadersPlural
1
A person, typically a young woman, who leads cheers and performs acrobatic routines to encourage spectators at sporting events.
The cheerleaders performed an amazing routine during halftime.
2
A person who enthusiastically supports or promotes a cause, person, or organization.
She has always been a cheerleader for environmental causes.