Is there a way to prevent someone from becoming involved?
An effective program of prevention has five components: Affiliate: become part of the Jewish community, by taking classes, joining a synagogue or attending events at the Jewish Community Center. Take advantage of the resources in your community and strengthen your bond with your past and your people; Jewish education and lifestyle experiences: one who knows his/her faith in a dynamic and living way will rarely be attracted to the cheap substitute offered by the missionaries; Open communication:
Zalman Kravitz