Muralist Rivera (5)
I believe the answer is:
diego
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">muralist rivera</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 diego that I've seen before include "Spaniard potentially" , "San --, -- Garcia" , "Spanish male forename" , "Spanish name" , "- Rivera, twentieth century Mexican painter" .)