Matthew 26:50

“And Jesus said unto him, friend, etc.] Not in an ironical and sarcastic way, but because he pretended to be his friend, by saluting and kissing him, in the manner he had done; or rather, because Christ had always used him as his friend, his familiar friend, who had been of his councils, and had ate at his table; and therefore this carried in it something very cutting, had Judas had any conscience, or sense of gratitude: wherefore art thou come? The Ethiopic version reads, “my friend, art thou not come?” that is, art thou come as my friend? is thy coming as a friend, or as an enemy? if as a friend, what means this company with swords and staves? if as an enemy, why this salutation and kiss?…”

“The account of Jesus’ being betrayed by Judas is recorded by all the evangelists. See Mark 14:43-52; Luke 22:47-53; John 18:2-12. Matthew 26:47 Judas, one of the twelve, came - This was done while Jesus was addressing his disciples. John informs us that Judas knew the place, because Jesus was in the habit of going there with his disciples. Judas had passed the time, after he left Jesus and the other disciples at the Passover, in arranging matters with the Jews, collecting the band, and preparing to go. Perhaps, also, on this occasion they gave him the money which they had promised. A great multitude with swords and staves - John says that he had received a band of men and officers from the…”

“The heroic behaviour of the blessed Jesus, in the whole period of his sufferings, will be observed by every attentive eye, and felt by every pious heart: although the sacred historians, according to their usual but wonderful simplicity, make no encomiums upon it. With what composure does he go forth to meet the traitor! With what calmness receive that malignant kiss! With what dignity does he deliver himself into the hands of his enemies! Yet plainly showing his superiority over them, and even then leading as it were captivity captive! Matthew 26:51”

“Friend: Rather, "Companion, εταιρε \[Strong's G2083\], against whom (εφ ̓ω the reading of all the best MSS) art thou come?" Mat 20:13; Sa2 16:17; Psa 41:9, Psa 55:13, Psa 55:14; Luk 22:48 Matthew 26:51”