Islamic religious leaders have traditionally been people who, as part of the clerisy, mosque, or government, performed a prominent role within their community or nation. However, in the modern contexts of Muslims minorities in non-Muslim countries as well as secularised Muslim states like Turkey, Indonesia and Bangladesh, religious leadership may take a variety of non-formal shapes.
(ʿĀlim). Ulama (/ˈuːləˌmɑː/; Arabic: علماء ʿUlamāʾ, singular عالِم ʿĀlim, "scholar", literally "the learned ones", also spelled ulema; female is alimah (singular) and uluma (plural)), is defined as "those recognized as scholars or authorities" in the "religious hierarchy" of the Islamic religious sciences.
Allamah is an honorary and prestigious title carried by only the very highest scholars of Islamic thought, jurisprudence, and philosophy. It is used as an honorific in Sunni Islam as well as in Shia Islam.
"Almami" is a title of West African Muslim rulers, used especially in the conquest states of the 19th century.
Caliph was first used for Abu Bakr, who was elected head of the Muslim community after Muhammad's death.
Imam is an Arabic word meaning "Leader". The ruler of a country might be called the Imam, for example. The term, however, has important connotations in the Islamic tradition especially in Shia belief. In Sunni belief, the term is used for the founding scholars of the four Sunni madhhabs, or schools of religious jurisprudence (fiqh).
The "Grand Imam" or "Imam of imams" (Arabic: الإمام الأكبر) of the Al-Azhar Mosque and Al-Azhar University is a prestigious Sunni Islam title and a prominent official title in Egypt. It is considered by some Muslims to indicate the highest authority in Sunni Islam for Islamic jurisprudence, The grand Imam holds a great influence on followers of the theological Ash'ari and Maturidi traditions worldwide, while the defenders of the Athari and Salafi ideologies find their leaders in the Arabian Peninsula. The concept of IMAM has its origins in the Quran. Hazrat Ibrahim was promoted as Imam after his successful sacrifice. Every person at the day of judgement will also be called by his Imam. And there is an Imam e Mubeen who encompasses the whole universe as per the teachings of the Holy Book. Noble Imperial Sheik is the title for the Grand Imam of Al Hakika Mizaan Mizaani Sufi Order.