No employer or employment agency shall: (1) Interfere with, restrain, or deny the exercise of, or the attempted exercise of, any right provided under this chapter; or (2) Fail or refuse to hire, or discharge, any employee or potential employee because the employee or potential employee: (A) Opposed any practice made unlawful by this chapter; (B) Has filed any charge, or has instituted or caused to be instituted any proceeding, relating to any right provided under this chapter; (C) Has given, or is about to give, any information in connection with any inquiry or proceeding relating to any right provided under this chapter; or (D) Has testified, or is about to testify, in any inquiry or proceeding relating to any right provided under this chapter.