Pharisee

(n.) One of a sect or party among the Jews, noted for a strict and formal observance of rites and ceremonies and of the traditions of the elders, and whose pretensions to superior sanctity led them to separate themselves from the other Jews.

Thesaurus Entries

Holy Willie, Joseph Surface, Mawworm, Pecksniff, Pharisee, Tartuffe, affecter, canter, canting hypocrite, dissembler, dissimulator, fair-weather friend, false friend, formalist, hypocrite, lip, lip server, lip worshiper, mealymouth, phony, pietist, pious fraud, poser, ranter, religionist, religious hypocrite, sanctimonious fraud, sniveler, snuffler, spiritual humbug, summer soldier, whited sepulcher