οὓς ἡγεμόνας πόλεως ἐπαιδεύσασθε → whom you educated as city leaders
ναύειν: «ἱκετεύειν. παρὰ τὸ ἐπὶ τὴν ἑστίαν καταφεύγειν τοὺς ἱκέτας» Ἡσύχ.