Βαγαπάτης
From LSJ
οἷς πρόθεσίς ἐστιν ἀδικεῖν, παρ' αὐτοῖς οὐδὲ δικαία ἀπολογία ἰσχύει → not even a just excuse means anything to those bent on injustice | the tyrant will always find a pretext for his tyranny | any excuse will serve a tyrant
Spanish (DGE)
-ου, ὁ Bagapates n. de un eunuco persa, Ctes.13, 13a.13, 15.