Cruel person (5)
I believe the answer is:
brute
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cruel person</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for brute that I've seen before include "Heartless individual" , "Cruel person" , "Savage person" , "Cruelly rapacious person" , "Cruel creature" .)