Lutherist

plural Lutherists

1. uncommonA scholar who studies Luther or his works.
2. derogatorypossiblyrareA Lutheran; a proponent of Lutheranism.

   Seized by a fit of rage he denounced Lasson then and there as a Lutherist and hastening from church summoned him before the Court.

   1916 November, The Art World, volume 1, page 145

   1 more example

   Catholics own this world. They owned it. Now we and the Dutch're going to smash them. What nonsense it all is! Catholic and Protestant and Calvinist and Lutherist and every other shitist. You should have been born Catholic.

   1986, James Clavell, Shōgun: A Novel of Japan, page 152