1) Annie 2) Birth parent seeker 3) Ex-orphan 4) Former orphan 5) Foster child 6) House pet 7) Human 8) Individual 9) Kid with a new home 10) Mortal 11) Moses or Oedipus 12) Oliver Twist 13) Oliver Twist or Clark Kent 14) Oliver Twist, ultimately 15) One placed by an agency 16) One taken in 17) One taken in by another 
[n] - someone (such as a child) who has been adopted
noun someone (such as a child) who has been adopted
a person who is adopted.