Ally; pal (6)
I believe the answer is:
friend
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">ally</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that ally can be written as friend)</span><br/ ><br/ >'<span class="explanation-format__original">pal</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for friend that I've seen before include "Supporter of cause" , "Pal, mate" , "Colleague" , "Comrade for finder" , "Member of religious society" .)