Answer
1. The meaning of An-naas is people. We are not aware of the other 51 meanings of An-naas, even after consulting Arabic dictionaries.
2. The root word of ?Nabi? is ?Nabaa? which means to inform. The word refers to a prophet who informs people of the orders of Allah. It has reference of knowledge of the unknown.
and Allah Ta’ala Knows Best
Mufti Ebrahim Desai