ὑδραύλης
From LSJ
οὕτως ἔσονται οἱ ἔσχατοι πρῶτοι καὶ οἱ πρῶτοι ἔσχατοι· πολλοὶ γάρ εἰσι κλητοί, ὀλίγοι δὲ ἐκλεκτοί → so the last shall be first and the first last for many be called but few chosen
English (LSJ)
ου, ὁ,
A one who plays the ὕδραυλις, POxy.93.2 (iv A. D.), Cod.Just.10.48.4; also ὕδραυλος, ὁ, SIG737.4 (Delph., i B. C.).
German (Pape)
[Seite 1173] ὁ, der die Wasserorgel, ὕδραυλις spielt, Sp.