B2 noun /ˈɡɑːr.di.ən/
Guardian
опекун; страж
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.
После смерти ее родителей, ее дядя стал ее законным опекуном и позаботился о ней.