'Behalf' in the Bible

I searched for a man among them who would repair the wall and stand in the gap before Me on behalf of the land so that I might not destroy it, but I found no one.

Then the burnt offerings, grain offerings, and drink offerings for the festivals, New Moons, and Sabbaths—for all the appointed times of the house of Israel—will be the prince’s responsibility. He will provide the sin offerings, grain offerings, burnt offerings, and fellowship offerings to make atonement on behalf of the house of Israel.

On that day the prince will provide a bull as a sin offering on behalf of himself and all the people of the land.