What is another word for "sabbatarian"?

Roget's Thesaurus (1911) lists these synonyms for "sabbatarian": abstinence, acerbic, anchoret, anchorite, and, ascetic, asceticism, ashes, austere, austerity, cynic, cynical, cynicism, flagellation, hermit, maceration, martyr, martyrdom, mortification, nephalism, penance, puritan, puritanical, puritanism, recluse, sabbatarianism, sackcloth, total, yogi.