Epikoros
Epikoros (or apikoros or apikores; Hebrew: אֶפִּיקוֹרוֹס, romanized: ˌʾeppikoˈros, lit. 'Epicurus', pl. epikorsim; Yiddish: אַפּיקורס, romanized: apiˈkoyres) is a Jewish term figuratively meaning "a heretic", cited in the Mishnah, that refers to an individual who does not have a share in the World to Come: All of the Jewish people have a share in the World-to-Come, as it is stated: "And your people also shall be all righteous, they shall inherit the land forever; the branch of My planting, the work of My hands, for My name to be glorified" (Isaiah 60:21).