ὑμνητής
From LSJ
εἰ ἀποκρυπτόντων τῶν Μήδων τὸν ἥλιον ὑπὸ σκιῇ ἔσοιτο πρὸς αὐτοὺς ἡ μάχη καὶ οὐκ ἐν ἡλίῳ → if the Medes hid the sun, the battle would be to them in the shade and not in the sun
English (LSJ)
οῦ, ὁ,
A one who sings of or praises, τυραννίδος Pl.R.568b; performer of hymns, IG22.2361.3.
German (Pape)
[Seite 1178] ὁ, Hymnensänger, Lobsänger, Lobredner, τῆς τυραννίδος Plat. Rep. VIII, 568 b, u. Sp.