Can a person who worships Hashem, follows all commandments, keeps the Sabbath holy and follows Jewish tradition but is not a born Jew wear a Jewish head covering and tell people he is Jewish by faith?
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1One is a Jew by means of being born to a Jewish mother or halachic conversion. Wearing a head covering does not make one Jewish. Muslims wear head coverings. Hindus wear head coverings. Many other religious faiths as well. Better off the gentile investigates the Noachide Covenant than to pretend to be a Jew.– Ephraim77Jan 24, 2019 at 17:15
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Related: "Why would a Jew get upset when gentiles claim to be Jews?" "Would a non-Jew sin if he were to proclaim himself a Jew for the sake of solidarity?"– Tamir EvanSep 10 at 14:44
4 Answers
In Jewish Law, there is a prohibition known as “geneivas daas”, which is literally translated as stealing one’s mind/heart, and refers to various forms of deceit and giving false impressions.
Although the Torah does not present the concept as a formal prohibition, many authorities maintain that geneivas daas involves a full Torah transgression. According to the Ritva (Chullin 94a), the source of the prohibition is the transgression of theft. Although one might think that theft is limited to stealing money or goods, the Ritva (citing Tosafos) explains that it applies even to theft of the “heart.”
The Semag (Negative Prohibition 155) and the Shulchan Aruch Harav (Onaah 11) likewise state that the prohibition of deception is a Torah law. The Semak (262), however, writes that the prohibition is rabbinic, and this is also the opinion of the Bach (Choshen Mishpat 228).
Being that the “Noahide Code” (which applies to all non-Jews) includes a prohibition against “stealing”, the question has been raised if non-Jews are also prohibited from “geneivas daas”, since this can be viewed as a subset of stealing.
[See Rabbi Shimon Sofer, Shut Hitorerut Teshuva, 1:118) here]
If in fact a Noahide is prohibited from “geneivas daas”, then a non-Jew pretentiously masquerading as a bona fide Jew, would be guilty of “stealing” the minds and hearts of the people he comes into contact with.
He can't say he is a commandment-observing Jew, because such a statement would be self-contradictory. Among the commandments is the requirement to speak the truth, especially where this impinges on the affairs of other human beings, yet he is lying about his true identity.
Yes, he can wear a head covering and tell people he's Jewish, but it wouldn't be true. But I've never heard of any requirement on gentiles to tell the truth.
However, this lie could be damaging to whatever Jews he tells it to, so he should avoid it. For example, they may count him toward the required number of Jews present for a communal prayer service, when non-Jews don't count for that.
I'm trying to understand the question. A person who was not born Jewish and never converted can't tell people he is Jewish because that's not true. But a non-Jew can still be "Jewish by faith," if he believes in Judaism/Hashem and practices the Noachide commandments. Judaism can be his religion even if he's not "Jewish."
Point is that the term "Jewish" is not actually a statement of the religion one believes in, it's a Halachic status. One can believe in Judaism without being a Jew and one can be a Jew without believing in Judaism (the latter case is obviously not permissable, but the the fact that a Jew does not believe/practice Judaism does not diminish his status as a Jew).