They are in the thousands, too many to enumerate. Some examples are: Abraham, who taught monotheism; Moses, who received the Torah from God; Joshua, who brought the people into Canaan; Samson, who defeated the Philistines; Samuel, who anointed King David; all of the Prophets; Ezra, who built the Second Temple; Hillel; Rabbi Akiva; Rabbi Judah, who collated the Oral Torah; Rav Ashi, who collated the Talmud; Rashi, the commentator; Rambam, the codifier; and many more.
The leaders of Judaism are Rabbis. The followers of Judaism are the Jewish people.
There are no churches in Judaism.
rabbis
rabbis
Moses.
Rabbis.
Judaism is not a centralised religion and does not have a single leadership. The members of Judaism are called Jews.
It was Judaism.
Rabbis.
There is no one biggest person in Judaism. There have been thousands of leaders, teachers, and rabbis.
Judaism isn't a centralised religion so leaders are at the community level. Leaders can be religious or secular depending on how they're associated with their community.
Each community has its own Rabbi, of which there are thousands.