The characters combine to create a very literal and clear meaning: a “person (人) who supervises (监) and protects (护).” This perfectly describes the dual roles of a legal guardian.
The concept of 监护人 (jiānhùrén) is deeply rooted in the Chinese emphasis on family as the fundamental unit of society. The law and social norms both reflect a strong preference for guardianship to remain within the family. In contrast to some Western cultures where the state might more readily step in to appoint a guardian, in China, the line of succession for guardianship is culturally and legally clear: first parents, then paternal grandparents, then maternal grandparents, then adult siblings, and so on. The state appointing a guardian from outside the family is considered a last resort. This reflects a collectivist value system where the family, not the individual or the state, is the primary source of support and responsibility. The role of a 监护人 is not just a legal obligation but a profound moral duty. It connects to the broader concept of 责任 (zérèn), or responsibility, that is central to Chinese social ethics. While a child is young, the parents are their 监护人; as parents age and if they become incapacitated, their adult children are expected to take on a similar role of care, though the legal term 监护人 is only officially applied by a court in cases of legal incapacity.
监护人 (jiānhùrén) is a formal term used in specific, official contexts. You would almost never hear a child refer to their mom and dad as their “监护人” in casual conversation.
The connotation is neutral and official. It simply states a legal fact of responsibility.