Sabbatarian
/ˌsæb.əˈtɛɹ.i.ən/
"Sabbatarian" in a Sentence (2 examples)
During the sixties [1860s] the Sabbatarians were particularly active in their attacks on Sunday excursions, and this had an effect both on the companies and the public.
The Newcastle & Carlisle Railway announced a special Sunday excursion from Newcastle to Carlisle for August 29, 1841, and immediately ran up against strong Sabbatarian opposition.