Noun christianos (Christian) in the Gospels-Acts

(Translation from NRSV)

Acts

11: 26and when he had found him, he brought him to Antioch. So it was that for an entire year they met with the church and taught a great many people, and it was in Antioch that the disciples were first called "Christians (christianos)."
26: 28Agrippa said to Paul, "Are you so quickly persuading me to become a Christian (christianos)?"