The leader of Judaism is the patriarch of the family of priests, known in Hebrew as the Kohen Gadol or "high priest". The family are responsible for all services, operations, and activities in the Holy Temple. There has been no Holy Temple, no functioning family of priests, no Kohen Gadol, and no single leader of Judaism, for roughly 1,940 years.
If she is Muslim she must marry only a Muslim man,if she is Christian or Jewish she can marry a Muslim man, andif she is neither Muslim, Christian, nor Jewish she can marry a Muslim man only if she converts to Islam, Christianity, or Judaism (of course preferably to convert to Islam religion).
Judaism does not proselytize or seek converts, but it does accept sincere converts. Conversion for marriage is not a sincere reason. Better to marry within your own religion.If a non-Jew does convert properly, a Jew may marry them.Conversion is a life-changing and very serious undertaking and a potential convert should think it over carefully. It must not be done on a whim or because of temporary circumstances. One who converts is expected (from then on) to live as a Jew.See also:Can_a_Christian_and_Jew_get_married
He didn't.
Yes, and she converted to Judaism.
Nothing. Jews do not seek converts. If a person wishes to convert to Judaism, they are permitted to do so, but Judaism teaches that Judaism should not be proselytized.
"Rabbi" is the term for a Jewish scholar or teacher, and by extension a religious leader.Any descendant of Aaron is a Kohen (priest) in Judaism (Exodus ch.28-9). Today they number in the tens or hundreds of thousands.
No, Obama is a Christian.
Yes, according to tradition.
yes
Shabbatai ha-Kohen was born in 1621.
Shabbatai ha-Kohen died in 1662.