cheerleader
noun /ˈtʃɪəliːdə(r)/
/ˈtʃɪrliːdər/
- (especially in the US) one of the members of a group of young people (usually women) wearing special uniforms, who encourage the crowd to cheer for their team at a sports event
- a person who supports a particular politician, idea, or way of doing something
- one of the leading cheerleaders for the President’s welfare policies