'Cheerer' definitions:

Definition of 'cheerer'

(from WordNet)
noun
A spectator who shouts encouragement

Definition of 'Cheerer'

From: GCIDE
  • Cheerer \Cheer"er\ (ch[=e]r"[~e]r), n. One who cheers; one who, or that which, gladdens. "Thou cheerer of our days." --Wotton. "Prime cheerer, light." --Thomson. [1913 Webster]