Conversion to Another Religion | Sheilot

Conversion to Another Religion

Question

If a Christian converts to Jewish he/she is no longer Christian only Jewish. When a Jewish person converts or is Baptised or converts to Christian they are always Jewish. Why?

Answer

Shalom!

Thank you for your question.

There is no way for a Jew to leave Judaism. This is true for one who was born Jewish or for one who converted. Once a Jew, always a Jew. As the Talmud says, "a Jew who sins is still a Jew."

Hence, even though "converting" to another religion is on of the worst things a Jew can do, he/she remains a Jew nonetheless, and will always be welcomed back.

Answered 2 July 2025 How answers are reviewed
Rabbi Ari Enkin
Answered by
Author of the "Dalet Amot BeHalacha" series
Smicha Yoreh-Yoreh (1999) and Yadin-Yadin, author of "Dalet Amot BeHalacha" (11 volumes)
Orach Chaim, Yoreh Deah, Even HaEzer, Choshen Mishpat (excluding laws of interest)
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