Sarna, an orthodox jew, marries nathan, a reform jew. sarna is disowned by her parents because, as far as they are concerned, she has married outside their religion. she has violated the rule of

She has violated the rule of "e ndogamy".

Endogamy is the act of wedding inside a particular social gathering, class or ethnic gathering, dismissing those from others as unsatisfactory for marriage or other close individual connections. Endogamy is regular in numerous societies and ethnic gatherings. The punishments for transgressing endogamous limitations have shifted incredibly among societies and have gone from death to mellow objection.