Member of a Jewish sect (6)
I believe the answer is:
essene
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">member of a jewish sect</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 essene that I've seen before include "Ascetic type" , "Jewish frater" , "Zealot" , "Old Jewish sectarian" , "Early Jewish ascetic" .)