(a) Offense defined.--A person is guilty of a misdemeanor of the second degree if he knowingly or recklessly takes or entices any committed person away from lawful custody when he is not privileged to do so.

(b) Definition.--As used in this section, the term “committed person” means, in addition to anyone committed under judicial warrant, any orphan, neglected or delinquent child, mentally disabled person, or other dependent or incapacitated person entrusted to the custody of another by or through a recognized social agency or otherwise by authority of law.