κοιτωνίτης
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
English (LSJ)
[ῑ], ου, ὁ,
A chamberlain, Arr.Epict.1.30.7, Gal.14.624, POxy.471.84 (ii A.D.); κ. Καίσαρος IG14.1664.
German (Pape)
[Seite 1471] ὁ, Kammerdiener; Arr. Epict. 1, 30, 7; Galen.; früher κατακοιμιστής.