heresiarch

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he·re·si·arch

H0161700 (hə-rē′zē-ärk′, hĕr′ĭ-sē-)n. One who originates or is the chief proponent of a heresy or heretical movement.
[Late Latin haeresiarcha, from Late Greek hairesiarkhēs : Greek hairesis, sect; see heresy + Greek -arkhēs, -arch.]

heresiarch

(hɪˈriːzɪˌɑːk) n (Alternative Belief Systems) the leader or originator of a heretical movement or sect

he•re•si•arch

(həˈri ziˌɑrk, ˈhɛr ə si-)

n. a leader in heresy; the leader of a heretical sect. [1615–25; < Late Latin haeresiarcha < Greek hairesiarchḗs=haíresi(s) heresy + -archēs -arch]

heresiarch

1. the originator of a heresy.
2. the leader of a group of heretics.
See also: Heresy
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