Spreader of malicious gossip (13)
I believe the answer is:
scandalmonger
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spreader of malicious gossip</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 scandalmonger that I've seen before include "Rumour spreader" , "One who spreads malicious gossip" , "Muckraker" , "Destroyer of reputation" , "Person spreading malicious tittle-tattle" .)