τοῖς οἰκείοις συκοφαντίαν δέδωκεν → has given to his friends an opportunity for chicane, has offered to his friends the right of vindictive prosecution
ἐγκυκλεύω: κυκλῶ, περικυκλῶ, περιβάλλω, Ἐπιφάν. τ. 2. σ. 58Α.