'Behalf' in the Bible

And he said, "You shall take the seven ewe-lambs from my hand {as proof on my behalf} that I dug this well."

He said to them, “If you are willing for me to bury my dead, listen to me and ask Ephron son of Zohar on my behalf

Isaac prayed to the Lord on behalf of his wife because she was childless. The Lord heard his prayer, and his wife Rebekah conceived.