Judaism's greatest prophet was Moses (Deuteronomy ch.34). Today, each community has its own rabbi or rabbis, with no central leader.See also:
Spiritual leaders are called Rabbis. The person who leads prayers during religious services are called cantors. Judaism is not a centralised religion and doesn't have the hierachy associated with other religions.
Judaism doesn't have a central prophet. That being said, the greatest prophet in Judaism was Moshe (Moses) because of his unique relationship with HaShem.
Reform Judaism prizes Jewish Identity over Jewish ritual.
A member of Judaism is called a Jew or a Jewish person.
For Judaism and Christianity it is Jerusalem. For Islam it is Mecca.
Judaism has not had one central religious leader in almost 2,000 years.
The religion is Judaism. A person who follows Judaism is Jewish.
Monotheism, Judaism, and the Torah. The belief that God has given us the Torah, which is the basis of Judaism.
Judaism
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".
There is no one biggest person in Judaism. There have been thousands of leaders, teachers, and rabbis.