Charity performance (7)
I believe the answer is:
benefit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">charity performance</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 benefit that I've seen before include "(Gain) advantage" , "Performance for charity" , "Avail" , "Fine bet on to produce an advantage" , "Advantage (from social security?)" .)