Sentence examples for a cheerleader from inspiring English sources

The phrase "a cheerleader" is correct and usable in written English.
It can be used to refer to a person who actively supports or promotes a particular cause, team, or group, often in a spirited manner.
Example: "During the campaign, she became a cheerleader for environmental awareness, rallying the community to take action."
Alternatives: "an advocate" or "a supporter".