The Bible is deeply honest about betrayal because so much of it is written by people who experienced it. David's psalms carry real wounds from real people. Jesus was handed over by one of the twelve men he'd lived with for three years. The word "betrayal" in the Greek New Testament is *paradidōmi* — to hand over, to deliver up. Judas handed Jesus to his enemies using a kiss.
What makes betrayal uniquely painful is that it requires intimacy to function. A stranger cannot betray you in the same way — only someone who had access, who was trusted, who knew where to press. Psalm 55 is devastatingly precise about this: "it was thou, a man mine equal, my guide." The hurt is proportional to how close they were.
God does not minimize this. He enters it. The Son of God experienced betrayal from inside his own community, and that experience is now part of the permanent human history that God has lived.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.