A cheerleader is one of the people who leads the crowd in cheering at a large public event, especially a sports event.
N-COUNT
(事業或政客的)支持者，搖旗吶喊者
If you say that someone is a cheerleader for a particular cause or an individual politician, you mean that they are one of the chief supporters of this cause or politician and work hard to raise support for them.
例句
Chancellor Helmut Kohl was the leading cheerleader for German unification.赫爾穆特·科爾總理是德國統一的主要支持者。
英英詞典釋義
Noun
1. an enthusiastic and vocal supporter;
"he has become a cheerleader for therapeutic cloning"
2. someone who leads the cheers by spectators at a sporting event