They are called Muslims.
The Islamic nation is called " Al-ummah".
Islam is a religion that can be represented by Islamic Community, Islamic state, Islamic nation, or Islamic world.
This group is called the Shi'a. Its members were known as Shiites.
They are called Shiites. refer to related question for more information.
After facing persecution in Mecca, Prophet Muhammad and his followers migrated to Medina, which was then known as Yathrib. This migration, called the Hijra, marked a significant turning point in Islamic history, as Medina became the first Islamic community and the center of the burgeoning Muslim community.
There is no singular person who represents the entire worldwide Islamic community like the Pope represents all Catholics. In Shiite Islam, there are the Great Ayatollahs which represent vast swathes of the Shiite community. Smaller Islamic communities are represented by Mullahs and Imams for each congregation.
The Islamic guidelines for righteous living are called the Islamic law or Shariah. Refer to related question below.
Islamic people worship a god called banana
Suggest you ask a Islamic scholar at your local Masjid or Islamic community centre.
When more people became islamic
Indonesia
-Islamic Republic of Afghanistan -Islamic Republic of Iran -Islamic Republic of Mauritania -Islamic Republic of Pakistan