B2 noun /ˈɡɑːr.di.ən/
Guardian
gardien; tuteur
Meaning
a defender, protector, or keeper; a person legally responsible for the care of someone unable to manage their own affairs
Example
After her parents died, her uncle became her legal guardian and took care of her.
Après la mort de ses parents, son oncle est devenu son tuteur légal et a pris soin d'elle.