Abu Dhabi denizen (4)
I believe the answer is:
arab
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abu dhabi denizen</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 arab that I've seen before include "One from the Middle East, say" , "Mount" , "Qatari or Omani, say" , "Fine horse breed" , "One from the Middle East or North Africa" .)