Person who is present (8)
I believe the answer is:
attendee
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">person who is present</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for attendee that I've seen before include "One shows up" , "One present at a meeting" , "Conference participant" , "I will turn up" , "Mixture for soaking meat in" .)