One who guards, preserves, or secures; one to whom any person or thing is committed for protection, security, or preservation from injury; a warden.

One who has, or is entitled to, the custody of the person or property of an infant, a minor without living parents, or a person incapable of managing his own affairs.

Performing, or appropriate to, the office of a protector; as, a guardian care.

A private individual who has been given the legal custody of a child by state court or by through the laws of a state.