For the purposes of this article:
(1) "Reserve detention officer" means a person assigned part-time detention officer duties without being regularly assigned to full-time detention officer duties and who serves in that capacity without compensation.
(2) "Director" means the detention director, jail administrator, or other manager employed for the operation of a county, municipal, or multijurisdictional local detention facility.
(3) "Responsible authority" means the sheriff, county administrator, mayor, city manager, or other appropriate official who has legal responsibility for the management of a local detention facility within a particular jurisdiction.