Eg, equestrian (5)
I believe the answer is:
rider
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eg equestrian</span>' is the definition.<br/ ><span class="explanation-format__explanation">(equestrian is a kind of rider)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rider that I've seen before include "Supplementary verdict brought in by jury" , "Catch" , "One in the saddle" , "Appandix, codicil" , "Jury's added comment" .)