Mounted bullfighter (7)
I believe the answer is:
picador
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mounted bullfighter</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 picador that I've seen before include "The bullfighter who goads the animal" , "Riding bullfighter" , "Horseman in bullring" , "Animal killer" , "fighter with lance" .)