Judas.

Matthew 26:14-16
Then one of the Twelve, the one called Judas Iscariot, went to the chief priests . . .

Luke 22:3-6
Then Satan entered Judas Iscariot, who was one of the Twelve. . . .

John 13:2, 30
The evening meal was underway, and the devil had already put into the heart of Judas, the son of Simon Iscariot, to betray Jesus. . . .

one.

Psalm 41:9
Even my close friend, whom I trusted, he who shared my bread, has lifted up his heel against me.

Psalm 55:12-14
For it is not an enemy who insults me--then I could endure; it is not a foe who rises against me--from him I could hide. . . .

Matthew 10:4
Simon the Zealot, and Judas Iscariot, who betrayed Jesus.

John 6:70
Jesus answered them, "Have I not chosen you, the Twelve? Yet one of you is a devil!"

to betray.

John 13:2
The evening meal was underway, and the devil had already put into the heart of Judas, the son of Simon Iscariot, to betray Jesus.