her·e·tic /ˈhɛrəˌtɪk/
 異教徒,異端者
 Her·e·tic n.
 1. One who holds to a heresy; one who believes some doctrine contrary to the established faith or prevailing religion.
    A man that is an heretic, after the first and second admonition, reject.   --Titus iii. 10.
 2. R. C. Ch. One who having made a profession of Christian belief, deliberately and pertinaciously refuses to believe one or more of the articles of faith “determined by the authority of the universal church.”
 Syn: -- Heretic, Schismatic, Sectarian.
 Usage: A heretic is one whose errors are doctrinal, and usually of a malignant character, tending to subvert the true faith. A schismatic is one who creates a schism, or division in the church, on points of faith, discipline, practice, etc., usually for the sake of personal aggrandizement. A sectarian is one who originates or is an ardent adherent and advocate of a sect, or distinct organization, which separates from the main body of believers.
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 heretic
      n 1: a person who holds religious beliefs in conflict with the
           dogma of the Roman Catholic Church [syn: misbeliever,
           religious outcast]
      2: a person who holds unorthodox opinions in any field (not
         merely religion)