arch-heretic

(religion) A leader of a heresy, a most prominent or leading heretic.

Japanese Meaning

(宗教) 異端の指導者、主要な異端者

The council declared him an arch-heretic and exiled him from the city.

教会評議会は彼を異端の首領と宣告し、街から追放した。

Sense（1）

(religion) A leader of a heresy, a most prominent or leading heretic.

In the fourth century the arch-heretic Priscillian was Bishop of Avila,

arch-heretics

（ plural ）