1)
Who are "Ne'emanim"?
1.
Rashi: They are people of faith. Sometimes their lips are confused, and say improperly. It says about Avraham "v'He'emin ba'Shem", but he stumbled to say "ba'Meh Eda."
2.
Malbim (19): They are public speakers who influence people via their words. Sometimes Hashem closes their mouths.
2)
What is the consequence of taking reason from Zekenim?
1.
Malbim: The nation honors them for their age and Chochmah, and heeds their words. When Hashem removes the reason and words of all four kinds of leaders, no one leads the nation.
