ἀγγελοφόρος

From LSJ

ὃ σὺ μισεῖς ἑτέρῳ μὴ ποιήσεις → don't do to others what you don't want them to do to you

Source

Spanish (DGE)

-ον mensajero glosa a διάκτορος Sch.Ludw.Od.1.84.