relieve someone of
Take something away from someone, rob someone of something, as in The pickpocket relieved Dean of his wallet.
Take away a burden or responsibility, as in The doorman relieved her of her packages, or He was relieved of all his duties. [Early 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.