guardian
noun [ C ] uk/ˈɡɑː.di.ən/ us/ˈɡɑːr.di.ən/
监护人
a person who has the legal right and responsibility of taking care of someone who cannot take care of himself or herself, such as a child whose parents have died
The child's parents or guardians must give their consent before she has the operation. 在给这个孩子动手术前，一定要得到她父母或其监护人的同意。
formal保护者，护卫者，维护者
someone who protects something
These three official bodies are the guardians of the nation's countryside. 这3个官方机构负责监护全国乡村地区。
a self-appointed guardian of public morals 自封的社会公德卫道士