prŏāgŏrus, i, m., = προήγορος,
a director , the highest magistrate in some towns of Sicily, Cic. Verr. 2, 4, 23, § 50; 2, 4, 39, § 85.
proāgorus ī, m , προήγορος(in Sicilian towns), a director, chief magistrate. ...
An Elementary Latin Dictionary