A member of Judaism is called a Jew or a Jewish person.
The religion is Judaism. A person who follows Judaism is Jewish.
Judaism does not have a centralized leadership.
Abraham is known as the father of Judaism, but there is no person known as "the leader of Judaism".
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Christians believe that Christ in the Messiah promised prophetically in the Old Testament. Judaism does not believe that Jesus in the Messiah.
Moses.
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.
A Jewish person is of Hebrew descent and practices Judaism.
No. Judaism teaches that suffering should be avoided.
Abraham.
Abraham