guardian ad litem

[ gahr-dee-uh n ad lahy-tuh m ]
/ ˈgɑr di ən æd ˈlaɪ təm /

noun Law.

a person appointed by a court as guardian of an infant or other person to act on his or her behalf in a particular action or proceeding.
Compare next friend.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019