Gulf States bigwig (4)
I believe the answer is:
amir
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gulf states bigwig</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for amir that I've seen before include "Old ruler" , "Muslim ruler" , "See ruler" , "Moslem leader's here" .)