Usage examples for sabbatarian:

• When He would discredit and expose the barbarism of the Mosaic Sabbatarian laws as interpreted by scribes and Pharisees, He does so by healing the sick and blind upon the Sabbath day. "The Empire of Love" – W. J. Dawson

• She was a Calvinistic Sabbatarian in religion, and in worldly matters she was a devout believer in the high rank of her noble relatives. "Can You Forgive Her?" – Anthony Trollope