A person commits the crime of child abuse and if that person is a parent, guardian or custodian of a child and intentionally, knowingly, or recklessly tortures, beats, or otherwise willfully maltreats a child under 18 years of age or engages in conduct which creates a grave risk of bodily injury to a child, and thereby causes bodily injury. Further, if that person exposes a child, or aids and abets in exposing a child in any highway, street, field house, outhouse, or other place with intent to abandon the child.