acclaimer

noun3

1. •
   One who acclaims.
2. •
   One who salutes or praises with great approval.

   • For I doubt, you see, whether any of your toasters and acclaimers have anything like my ground and title for being with you at such an hour. — 1912
3. •
   (Scotland, no longer used) One who claims something.

   • All our Dispute, is, what Companie, of so manie Acclaimers, is the true Church of CHRIST. — 1627