Sabbatarian

n.	1.	One who regards and keeps the seventh day of the week as holy, agreeably to the letter of the fourth commandment in the Decalogue.
	2.	A strict observer of the Sabbath.
a.	1.	Of or pertaining to the Sabbath, or the tenets of Sabbatarians.

Noun	1.	Sabbatarian - one who observes Saturday as the Sabbath (as in Judaism)
Adj.	1.	Sabbatarian - pertaining to the Sabbath and its observance

Albigensian, Catharist, Franciscan, High-Churchist, Trappist, Waldensian, abstainer, abstinent, anchorite, anchoritic, ascetic, austere, bhikshu, bigoted, creedbound, dervish, dogmatic, eremitic, evangelical, fakir, flagellant, formalist, formularist, formulist, fundamentalist, hermit, hidebound, hyperorthodox, literalist, literalistic, liturgist, mendicant, precisianist, precisianistic, purist, puristic, puritan, puritanical, rigoristic, ritualist, sacramentarian, sannyasi, self-denying, staunch, straitlaced, strict, wedded to poverty, yogi, yogin