mandatary
🇬🇧/ˈmændət(ə)ri/ 🇺🇸/ˈmændəˌterɪ/the recipient of a mandate;a person to whom the power to transact business for another under a mandate is given.
noun [专属名词] 委托人；受委任统治国
Unstructured play time should be mandatary 必须让孩子自由玩耍
