Although Herod wanted to kill John, he was afraid of the people, because they regarded John as a prophet.
Καὶ θέλων αὐτὸν ἀποκτεῖναι, ἐφοβήθη τὸν ὄχλον, ὅτι ὡς προφήτην αὐτὸν εἶχον.