ἐπεμβατήρ
From LSJ
αὐτόματοι δ' ἀγαθοὶ ἀγαθῶν ἐπὶ δαῖτας ἴασι → automatically do the noble go to the feasts of the noble
English (LSJ)
ἐπεμβατῆρος, ὁ, = ἐπεμβάτης (one mounted, horseman, one who walks on, one who walks in) ; v. ἐπαμβατήρ.
Greek (Liddell-Scott)
ἐπεμβᾰτήρ: ὁ, = ἐπεμβάτης· ἴδε ἐπαμβατήρ.