acclaimer

/əˈkleɪmər/
noun
  1. A person who expresses strong approval or praise for someone or something.
    • The actor waved to the acclaimers in the front row.
    • She was one of the loudest acclaimers of the new policy.
    • Every acclaimer at the conference stood to applaud the speaker.
Antonyms
What does "acclaimer" mean? | whatsthatwordmean | whatsthatwordmean