Leave helpless (6)
I believe the answer is:
strand
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">leave helpless</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 strand that I've seen before include "Single piece of hair, rope etc" , "Maroon - bit of hair" , "Maroon - thread" , "Scottish gutter" , "Yarn - thread" .)