2 Words to use with behalf

But there was that in both of them which enabled the mother to feel that the boy was worth struggling for, and the boy at a very early age to realize the difficulties of the struggle, and to like the difficulties because they afforded him an opportunity to help his mother either by not giving her unnecessary trouble or in bringing to her efforts in their mutual behalf aid of a very positive kind.

For this Leclerc, it seemed, had profanely and audaciously declared that a man might in his own behalf deal with the invisible God, by the mediation of Christ, the sole Mediator between God and man.

2 Words to use with  behalf