nonsectarian

adj

1. Not sectarian.
2. Of or pertaining to nonsectarianism.

   “The children will not go to church, few will attend Sunday school, but they will attend a nonsectarian Bible school.”

   “The cottage institutions are first divided into two sections; the nonsectarian and those under some church management.”

   “Christian Arabs, as members of a restricted minority community, had a special interest in promoting the concept of equality based on nonsectarian considerations, but the appeal of a shared sentiment of Arabness attracted Muslims too.”

noun

1. One who is not a sectarian.