nouns
an organism that can utter vocal sounds
"an utterer of foul oaths"; "is the giraffe a vocalizer?"
someone who circulates forged banknotes or counterfeit coins
is a type of (narrower)
someone who leads you to believe something that is not true
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"