Malefactor, villain (8)
I believe the answer is:
evildoer
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">malefactor</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">villain</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for evildoer that I've seen before include "One committing wicked deeds" , "Malefactor" , "sinner" , "'baddie'?" , "Wicked person" .)