acclaimer

noun

1. One who acclaims.

   “[…] the voices of thousands of spectators pealing in thunder from the rocks on which their dark and crowded masses rested […] sent forth a shout of mingled triumph on their appearance and approbation of their cause; and its echoes continued to roll round the hills long after the lips of the acclaimers were closed […]”

   “1912, Henry James, letter to William Dean Howells to be read at a dinner in celebration of Howells’ seventy-fifth birthday, in The North American Review, Volume 195, No. 677, April 1912, p. 558, 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.”

2. (Early, Modern, Scotland, obsolete)One who acclaims.

   “All our Dispute, is, what Companie, of so manie Acclaimers, is the true Church of CHRIST.”

   “And we wish heartily, that leaving these weak nots of Trueth, to the Papists, chief acclaimers of them, amongst christians, (that we speak nothing of aliens from christianity) ye would be pleased to adhere, with us into the holy Scriptures […]”