No employee shall be discriminated against by the board of education, superintendent or any other administrative officer of a district or by any employee organization, its officers or any member thereof because of his exercise or nonexercise of rights under this act. It shall be prohibited for an employee organization, employee or employer to impede, restrain or coerce an employer or employees in the exercise of the rights guaranteed in Sections 509.1 through 509.10 of this title.
Okla. Stat. tit. 70, § 509.9