(1) Being a member of a reserve unit of any branch of the United States armed forces;
(2) Being a member of the National Guard;
(3) Teaching;
(4) Serving on any state or United States boards or commissions which relate to the law for the administration of justice;
(5) Serving in an extrajudicial capacity that is not prohibited by the Arkansas Code of Judicial Conduct; or
(6) Serving as judge of a city court.