Reviewer (6)
I believe the answer is:
critic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">reviewer</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 critic that I've seen before include "Reviewer of book or play" , "Person who reviews plays, films etc" , "One writing reviews" , "One who assesses" , "Newspaper reviewer" .)