B2 noun /ˈɡɑːr.di.ən/
Guardian
Vormund; Wächter
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.
Nachdem ihre Eltern gestorben waren, wurde ihr Onkel ihr gesetzlicher Vormund und kümmerte sich um sie.