In the exercise of its powers or in the performance of its duties, the county shall ensure that no person is discriminated against because of race, creed, political ideology, color, national origin, sex, marital status, sexual orientation, age, the presence of any sensory, mental, or physical handicap, or any other basis not reasonably related to the accomplishment of a legitimate governmental purpose, and shall take whatever affirmative action necessary to accomplish this purpose as defined in the state and federal constitutions and applicable court interpretations.