Title of various Muslim rulers (4)
I believe the answer is:
emir
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">title of various muslim rulers</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for emir that I've seen before include "Ruler or chieftain in Arabia" , "Arab leader" , "Title of various Muslim rulers" , "Ruler in the Middle East and mire" , "Islamic title" .)