φθείρουσιν ἤθη χρήσθ' ὁμιλίαι κακαί → bad company ruins good habits
governor: P. and V. ἄρχων, ὁ.
guardian: Ar. and P. ἐπίτροπος, ὁ.
he acted as regent for Pleistarchus, who though king was still a minor, being his cousin: P. Πλείσταρχον… ὄντα βασιλέα καὶ νέον ἔτι ἀνεψιὸς ὢν ἐπετρόπευε (Thuc. 1, 132).