συννναυβάτης
From LSJ
συνετῶν μὲν ἀνδρῶν, πρὶν γενέσθαι τὰ δυσχερῆ, προνοῆσαι ὅπως μὴ γένηται· ἀνδρείων δέ, γενόμενα εὖ θέσθαι → it is the part of prudent men, before difficulties arise, to provide against their arising; and of courageous men to deal with them when they have arisen
Dutch (Woordenboekgrieks.nl)
συννναυβάτης -ου, ὁ [σύν, ναυβάτης] medeopvarende. Soph. Ph. 565.