In a perfect world, a child would be raised by its parents. However, this isn’t always possible, and legally enforceable decisions must sometimes be made to name the person who is best positioned to look after a child.
Guardianship is generally only needed when a person is incapable—whether legally or practically—of looking after their own affairs, says VENTS Magazine in the article “Legal Guardianship 101: What You Need to Know.”
Courts have the power to appoint guardians for adults and children. This is usually a person who is unable to make decisions for themselves.