πολλοὶ γάρ εἰσιν κλητοὶ ὀλίγοι δὲ ἐκλεκτοί → many are called, but few are chosen
Use adj., P. πρόδρομος, ὁ (also Eur., Iphigenia in Aulis 424, but the passage is doubtful).
messenger: P. and V. ἄγγελος, ὁ or ἡ, V. πομπός, ὁ.