legal guardian; person with parental authority
Legal term referring to a person who holds parental authority over a minor child. Used in family law contexts.
The legal guardian has a duty to manage the property of the minor child.
離婚の際、どちらが親権者になるかが争われた。
At the time of the divorce, who would become the legal guardian was disputed.
後見人 is a guardian appointed for a minor or adult ward when parental authority is absent or insufficient, whereas 親権者 is specifically the parent with parental authority.
Compound of 親権 (parental authority) + 者 (person).