'Announcer' in the Bible

You yourselves are my witnesses that I stated, ‘I am not the Christ (the Messiah, the Anointed),’ but, ‘I have [only] been sent ahead of Him [as His appointed forerunner and messenger to announce and proclaim His coming].’

And some of the Epicurean and Stoic philosophers began to engage in conversation with him. And some said, “What could this idle babbler [with his eclectic, scrap-heap learning] have in mind to say?” Others said, “He seems to be a proclaimer of strange deities”—because he was preaching the good news about Jesus and the resurrection.