ἀτιμάγενος
From LSJ
τοῖς οἰκείοις συκοφαντίαν δέδωκεν → has given to his friends an opportunity for chicane, has offered to his friends the right of vindictive prosecution
Spanish (DGE)
-ου
desertor de los suyos, Cyr.Al.M.76.600B (prob. por ἀτιμάγελος).