'Traitor' in the Bible

Saul became angry with Jonathan and said to him, "You stupid traitor! Don't I realize that to your own disgrace and to the disgrace of your mother's nakedness you have chosen this son of Jesse?

Solomon said, "If he is a loyal subject, not a hair of his head will be harmed, but if he is found to be a traitor, he will die."

Judas the son of James, and Judas Iscariot, who became a traitor.