σημαιοφόρος
From LSJ
Λεύσσετε, Θήβης οἱ κοιρανίδαι τὴν βασιλειδᾶν μούνην λοιπήν, οἷα πρὸς οἵων ἀνδρῶν πάσχω → See, you leaders of Thebes, what sorts of things I, its last princess, suffer at the hands of such men
English (LSJ)
A v. σημειοφόρος.
German (Pape)
[Seite 874] die Fahne tragend, Fahnenträger, signifer; Pol. 6, 24, 6; Plut. Galb. 22.