(1) "Person" means a business, individual, proprietorship, firm, partnership, joint venture, syndicate, business trust, labor organization, company, corporation, association, committee, or any other organization or group of persons acting jointly, including a state agency or a political subdivision of the state.

    (2) "Public official" means an official in the executive or legislative branch of state government.

    (3) "Nonministerial action" means an action other than an action which a person performs in a prescribed manner under prescribed circumstances in obedience to the mandate of legal authority, without the exercise of personal judgment regarding whether to take the action.

    (4) "Local government" means a city, village, township, county, school district, or community college district.