опекун

From LSJ

Ἅγιος ὁ Θεός, Ἅγιος ἰσχυρός, Ἅγιος ἀθάνατος, ἐλέησον ἡμᾶςholy God, holy Mighty, holy Immortal, have mercy on us

Source

Russian > Greek

κύριος, ἐπίτροπος, πατρονόμος