For the purposes of this Division, a protected person is—
(a) the Director;
(b) the Acting Director;
(c) a member of staff of the Office of Police Integrity;
(c) a person who has taken an oath or made an affirmation under section 18(2);
(d) a person (other than a natural person) engaged under section 17(1)(b), if any officer or employee of the person has taken an oath or made an affirmation under section 18(2);
(e) the members of a body engaged under section 17(1)(b), if any member, officer or employee of the body has taken an oath or made an affirmation under section 18(2).