Parent.
Parent. The natural, adoptive, or foster parent of a child, a guardian, an individual acting in the place of a natural or adoptive parent with whom the child lives, or an individual who is legally responsible for the child's welfare if that person contributes at least one-half of the child's support.
Source
32 CFR § 57.3
Scoping language
Unless otherwise noted, these terms and their definitions are for the purpose of this part.