(a) A victim has a privilege to refuse to disclose and to prevent another from disclosing a confidential communication described by Section 93.002.
(b) The privilege may be claimed by:
(1) a victim or a victim's attorney on a victim's behalf;
(2) a parent, guardian, or conservator of a victim under 18 years of age; or
(3) an advocate or a family violence center on a victim's behalf.