in behalf of somebody
in behalf of (someone)
1. As the representative of someone else; in lieu of someone. The boss isn't here at the moment, but I'd be happy to sign for the package in behalf of her.
2. In the interest or for the benefit of someone else. It's quite common, even natural, that children don't understand that everything their parents do is in behalf of them.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
in behalf of somebody,
in somebody’s behalf(American English) in order to help somebody: We collected money in behalf of the homeless.
Farlex Partner Idioms Dictionary © Farlex 2017