Harass, torment (7)
I believe the answer is:
bedevil
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">harass</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that bedevil is a more specific form of harass)</span><br/ ><br/ >'<span class="explanation-format__original">torment</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that torment can be written as bedevil)</span><br/ ><br/ ></span>
(Other definitions for bedevil that I've seen before include "Cause difficulties for, like Satan?" , "Vile bed (anag.)" , "Torture" , "torment" , "Afflict" .)