Negative sort of person (5)
I believe the answer is:
cynic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">negative sort of person</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cynic that I've seen before include "Doubter of others' motives" , "Scoffer" , "Fault-finder" , "Person who is generally sceptical" , "One dismissive of human motives" .)