JP (10)
I believe the answer is:
magistrate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">jp</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 magistrate that I've seen before include "one on the bench" , "Person in court" , "Judge" , "Justice of the peace" , "Court official" .)