τοῖς οἰκείοις συκοφαντίαν δέδωκεν → has given to his friends an opportunity for chicane, has offered to his friends the right of vindictive prosecution
καταπαλαίω, ἐκβάλλω, ἀντιλέγω, ἐξελέγχω, νύσσω, νύττω, κολούω, ἐπελέγχω, ἐλέγχω, ἐπιλύω, τιτρώσκω, τρώω, ἐξαρνέομαι