There have been many different kinds of Hebrew leaders throughout the ages. Here are some options:
priest = kohen (כהן)
prophet = navi (× ×‘×™×)
king = melech (מלך)
sage = chacham (×—×›×)
rabbi = rav (רב)
cantor = chazzan (חזן)
a rabbi.
Clarification:
The Rabbi leads the order of the service. The Cantor leads the prayers.
Every Hebrew leader who ever existed encouraged this.
moses is an important hebrew leader bacause god sent him to free the slaves (his people)
Tradition holds that Abraham (a Hebrew man) was the first leader of the Hebrews in approximatelyy 2000 BCE.
There was no "last hebrew leader". There are still many Jewish leaders in the world. The most prominent as of 2011 is Binyamin Netanyahu.
Christians still call the Hebrew Bible the Old Testament.
Moses in Hebrew is Moshe (משה) but he didn't have a nickname.
King Saul.
the leader and prophet = hamanhig vehanavi (×”×ž× ×”×™×’ ×•×”× ×‘×™×)
If you are asking who the leader was in reviving Hebrew into a modern, spoken language, the answer is Eliezer Ben-Yehuda.
Moses is the Hebrew leader who received the Ten Commandments from God on Mount Sinai according to the Bible.
Building the First Temple.
The leader...