"Muslim" is a person who follows the religion "Islam".
There is nothing prominent in Islam such that seven beliefs in Islam. There are these five Pillars and then there are six articles of faith. Nothing more basic or prominent other than that in the religion.
It is not real division. It is just minor differences that do not touch basic Islam fundamentals and beliefs. Refer to question below for more information.
Islaam regards the Bible as a holy book, as well as the Q'rahn and Torah. As such, the basic beliefs are those of the Old Testament.
The most important belief of Islam is the belief in Allah (or God and same God in Christianity and Judaism) as the one and only one God with no partner, no companion, no son, no father, no associate, and no equivalence. For other beliefs and fundamentals, refer to question below.
The key beliefs are the Islam five pillars (refer to related question below). Refer to question below for the Islam main fundamentals.
Yes, One of the basic beliefs in Islam religion, as well as Judaism and Christianity, is to believe in the after life Heavens (Paradise) and Hell fire.
The basic belief is that the belief in Allah (God in English) as the one and only one God with no partner, no son, no companion, no associate, and no resemblance and that prophet Muhammad is his Messenger. For all other beliefs and fundamentals, refer to question below. refer to question below.
he lived in Islam
Mostly Islam
In the true sense of Islam there are no kinds of Muslims. Islam is a heavenly religion. All the Muslims have the same basic beliefs. They may differ in the interpretation of certain petty matters. So, there are certain sects in Islam as there are many sects in Judaism and Christianity.
Judaism, Christianity, and Islam all share the same common origin, which they trace back to the patriarch Abraham. The three religions also have similar basic beliefs, such as only worshipping one god.