Fitness coach (7)
I believe the answer is:
trainer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fitness coach</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 trainer that I've seen before include "Comfortable shoe" , "Coach; shoe" , "Sports/casual shoe" , "teacher" , "Machine that simulates the conditions of flying a plane" .)