Frontier judge Bean (3)
I believe the answer is:
roy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">frontier judge bean</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 roy that I've seen before include "'... Rogers, old film star cowboy (3)'" , "Rob . . . was a notorious Scottish outlaw" , "'Rob ..., ... Rogers (3)'" , "-- Lichtenstein, US artist" , "Rob . . . was a famous Scottish outlaw" .)