As used in this article:
(1) The term “person” means any individual, proprietorship, partnership, firm, association, corporation, labor organization or any other legal entity.
(2) The term “labor organization” means any organization, agency, union or employee representation committee of any kind that exists, in whole or in part, to assist employees in negotiating with employers concerning grievances, labor disputes, wages, rates of pay or other terms or conditions of employment.
(3) The term “employer” means any person employing at least one individual in the state or any agent of an employer employing at least one individual in the state.