Skywalker mentor (4)
I believe the answer is:
yoda
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">skywalker mentor</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 yoda that I've seen before include "Grand Master of the Jedi Order" , "one with idiosyncratic syntax" , "Green being" .)