Mark 14:45
And as soon as he was come, he goeth straightway to him, and saith, Master, master; and kissed him.
Cross-references
In Luke 6:46, Jesus condemns calling him 'Lord' without obedience; Judas's 'Rabbi' and kiss embody that hypocrisy exactly.
In John 13:13, Jesus affirms the titles 'Teacher and Lord'; Judas uses 'Rabbi' to betray, inverting that rightful acknowledgment.
In Psalm 55:13, the psalmist laments betrayal by a close friend; Judas, a close disciple, fulfills this pattern by betraying Jesus with a kiss.
In Matthew 26:49, the same betrayer greets Jesus with 'Rabbi' and kisses him, providing the parallel synoptic account of the kiss.
In John 20:16, Mary calls the risen Jesus 'Rabboni' in faith; Judas calls him 'Rabbi' in betrayal—same title, opposite hearts.
In Psalm 109:5, being repaid evil for good is described; Judas returns Jesus' love and teaching with a betraying kiss.
Matthew 23:8 teaches that only Christ is the true teacher—Judas uses 'Rabbi' for Jesus while betraying the one Teacher.
In John 13:14, after washing feet, Jesus calls disciples to serve; Judas, having received that service, betrays him with a kiss.