βουκόλλων

From LSJ

ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod

Source

Spanish (DGE)

-ωνος, ὁ
pastor, boyero, PKlein.Form.925 (VII d.C.) aunque quizá n. pr., cf. ZPE 77.1989.187.