Φίλιππον ἐπιστῆσαι τοῖς πράγμασι τούτοις → let Philip have a hand in the business, surrender control to Philip
P. and V. φθονεῖν (gen. of things dat. of pers.), V. μεγαίρειν (gen. of thing, dat. of pers.), P. βασκαίνειν (dat. of pers.).
envy: P. and V. ζηλοῦν (acc. of pers., gen. of thing), P. ζηλοτυπεῖν (acc. of pers.).