cheerleader

Noun cheerleader has 2 senses

• cheerleader(n = noun.person) - an enthusiastic and vocal supporter; "he has become a cheerleader for therapeutic cloning"
is a kind of admirer, booster, champion, friend, protagonist, supporter

• cheerleader(n = noun.person) - someone who leads the cheers by spectators at a sporting event;
is a kind of leader
Derived form verb cheerlead₁