They gave themselves up to humans and let us fight the disease on their behalf.

While you're sitting in solitary, I get to go out and fight on your behalf.

If he didn't fight on their behalf, who the hell would?

He didn't fight the bad guys on their behalf; he did it for himself.

They believed that he could not actually have fought on her behalf.

In the last week we have also seen the nature of the young men and women who fight on our behalf.

I don't want to make my father feel good by fighting on his behalf in Korea.

Instead, they hope someone else will fight bureaucracy on their behalf.

"This teaches them to begin to fight on their own behalf."

In the meantime, my people are fighting hard on your behalf.