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English definition of “guardian”

guardian

noun [C]    /ˈɡɑr·di·ən/
a person who has the legal right and responsibility of taking care of someone who is not responsible for his or her own care, such as a child whose parents have died A guardian is also someone who protects something: She characterized the department as the guardian of the nation’s forests.
(Definition of guardian noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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