voicer

voic·er

V0137600 (voi′sər)n.1. One that voices: a voicer of criticism.2. Music A specialist in regulating the tone of organ pipes.

Thesaurus

Noun	1.	voicer - someone who regulates the tone of organ pipesskilled worker, skilled workman, trained worker - a worker who has acquired special skills
	2.	voicer - a speaker who voices an opinion speaker, talker, verbaliser, verbalizer, utterer - someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous); "the speaker at commencement"; "an utterer of useful maxims"