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