nonconformist

noun

1. A member of a church separated from the Church of England; a Protestant dissenter.
2. Loosely, a Christian who does not conform to the doctrines of an established church.
3. Someone who does not conform to accepted beliefs, customs or practices.
4. A noctuid moth (Lithophane lamda).
5. A member of a Protestant church which does not observe the doctrines of the established church, especially of the Church of England.

   “Near-synonyms: (all sometimes synonymous) Dissenter, recusant, Free Churchman; autem cackler (archaic cant)”

adj

1. Not conforming to established customs, etc.

   “One of the village's most notable sons was Thomas Grantham, a Baptist church leader born in 1634, who was persecuted and imprisoned in the struggle for nonconformist beliefs during the reign of Charles II.”