Bible Verses About Ahithophel: Probably referred to by David in Psalm 55,12-14

For it was not an enemy who insulted me; if it had been, I could have borne it. It was not my adversary who treated me with scorn; if it had been, I could have hidden myself.

But it was you, a man of my own kind, my companion, whom I knew well.

We used to share our hearts with each other; in the house of God we walked with the crowd.