custodial duties; duty of care and custody
Legal term referring to the obligation to supervise and protect someone, often a minor or a person under guardianship.
Parents have custodial duties toward their minor children.
A guardian bears the duty of care and custody for the ward.
Compound of 監護 (custody, care and supervision) and 義務 (duty, obligation). The exact historical derivation is uncertain; the term is used in modern legal contexts.