..l call it useless information ..not  help at all to know .... 

What is the difference between sultan, emir, Sheikh and Shah?

All are titles of leadership -

 the first three of Arabic origin and the last Iranian. Sultan of government use and is derived from "consultation" (power).

  authorities since the end of the 10th century and currently entitles the monarchs of Brunei and Oman, as well as regional leaders in the Philippines, Indonesia and Malaysia.

 Sheikh, in turn, derives from "shakha" (elder). Can be attributed to religious or political authorities. 

Already emir (commander or prince) serves to political and military leaders.

 The chief executives of Qatar and Kuwait lead the title as well as the rulers of the United Arab Emirates.

 Finally, shah meaning "emperor of Persia." The term resisted even with the Arab invasion of Iran in the current region but disappeared again after the Iranian Revolution of Ayatollah institution and the government.

 This title came the expression of chess "checkmate": the "shah (king) died."

 Until at least the first half of the 13th century, Caliph was the most important Arab title, awarded to the representative of the Prophet Muhammad