Operative; pointer (4)
I believe the answer is:
hand
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">operative</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in other clues)</span><br/ ><br/ >'<span class="explanation-format__original">pointer</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(hand is a kind of pointer)</span><br/ ><br/ ></span>
(Other definitions for hand that I've seen before include "audience response?" , "Manual worker" , "Given cards" , "Script" , "See 12" .)