Available to any person, not eligible for any other membership category and not serving in a popularly elected federal, state, or local government position, who supports the council-manager form of government and professional local government management in Tennessee.  This membership category shall be narrowly construed and shall preclude a person employed with any organization that could seek to become a corporate sponsor of the Association.  An Advocacy Member participating in any Association activity may not do so in a way to represent or promote a commercial product or service.