τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
firmātor: ōris, m. firmo,
I a confirmer, establisher (post-Aug. and very rare): missus Drusus paci firmator (so acc. to Cod. Med., not pacis), Tac. A. 2, 46: disciplinae militaris, Plin. Ep. 10, 38, 1.