A Muslim (Arabic: مسلم; /ˈmʊslɨm/ MOOS-lim or English
pronunciation: /ˈmʌzlɨm/ MUZ-lim) or Moslem1 is an adherent of the religion of Islam. Literally, the word means "one who submits (to God)". Muslim is the participle of the same verb of which Islam is the infinitive.2 All Muslims observe Sunnah, but differences in
the definition of what is and what is not Sunnah has led to the emergence of sectarian movements.citation needed The well-organised and cohesive community of Muslims who accept the Sunnah as defined within one of the traditional Maliki, Hanafi, Shafi or Hanbali madhabs are the classical Sunni Muslims.citation neededOther Muslims, for example the Ahmadiyya Muslim Community, are also well known as being an organised and a disciplined community3
Muslims believe that there is only one God, called Allah in Arabic. Muslims also believe that Islam existed long before Muhammad though it was not called Islam until the
revelation of Surah al-Ma'ida. Muslims believe that this religion had evolved with time from the time of Adam until the time of Muhammad and was completed with the
revelation of verse 3 of Surah al-Ma'ida: