Court entertainer? (6,6)
(Another definition for tennis player that I've seen is " racketeer revealed?".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">court entertainer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for jester that I've seen before include "Court humorist" , "Professional clown of the middle ages" , "Funny man, once at court" , "Professional joker" , "Court entertainer (with bells on?)" .)