The purpose of this subchapter is to secure for each child under 16 years of age who is placed in a family home, other than his own or that of a relative within the third degree, such care and guidance as will serve the child's welfare and the best interests of the District of Columbia; and to secure for him custody and care as near as possible to that which should have been given him by his parents.
D.C. Code § 4-1401
Adoption, generally, see § 16-301 et seq. .