Groupie (3)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">groupie</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 fan that I've seen before include "Cooling device for enthusiastic supporter" , "Devoted admirer or air cooler" , "Manually wielded cooling device" , "Lady Windermere's - -" , "Aficionado" .)