устроитель
From LSJ
ἔστιν δέ που ἡ μὲν ἐπὶ σώμασι γυμναστική, ἡ δ' ἐπὶ ψυχῇ μουσική → I think I am right in saying that we have physical exercise for the body and the arts for the soul
Russian > Greek
καταστάτης, ἀρχιτέκτων, συναγωγεύς, καταρτιστήρ, κοσμητής, κοσμητάς, διαθετήρ