In this chapter:
(1) "Employee" includes an officer, volunteer, or employee, a former officer, volunteer, or employee, and the estate of an officer, volunteer, or employee or former officer, volunteer, or employee of a local government. The term includes a member of a governing board. The term does not include a county extension agent.
(2) "Local government" means a county, city, town, special purpose district, including a soil and water conservation district, and any other political subdivision of the state.