Tabor, an Ex-Addict, Now Works in the Mental Health Program

Tabor, an ex-addict, now works in the mental health program that he once attended. For the new clients coming to this drug program, Tabor, who has "been there," tends to be more approachable than the doctors. Tabor is a

A) psychiatric resident.
B) paraprofessional.
C) psychiatric orderly.
D) psychiatric social worker.