proclamator

proclāmātor, ōris, m. [proclamo],

a crier , bawler , vociferator , said of a bad advocate: non enim causidicum nescio quem neque proclamatorem aut rabulam hoc sermone nostro conquirimus, Cic. de Or. 1, 46, 202 Orell. (dub.; B. & K. clamatorem, ex conj. Ellendt).