He has no share in the World to Come

He will not merit to arrive and be in Paradise in the World to Come (the original source of the expression is in the Torah, for example in the verse Deuteronomy 14:27: 'And the Levite that is within your gates, you shall not forsake him; for he has no portion nor inheritance with you').

(Rabbi Elazar the Modai says: He who desecrates the holy things, and disgraces the festivals, and humiliates his fellow in public, and annuls the covenant of our father Abraham, peace be upon him, and reveals aspects in the Torah not according to the law—even if he possesses Torah and good deeds—he has no share in the World to Come (Avot 3:11). Likewise: 'He who separates himself from the ways of the community... but rather separates himself from the congregation of Israel, and does not perform commandments as part of them... but rather walks his own path as one of the nations of the world... he has no share in the World to Come' (Maimonides, Mishneh Torah, Laws of Repentance, Chapter 3, 11, 156). Likewise: 'The sages' words were believed regarding the suicide—that he has no share in the World to Come' (H. Be’er, El Makom Sheharuach Holech, 368).)

Translation