Religion renouncer (8)
I believe the answer is:
apostate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">religion renouncer</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 apostate that I've seen before include "Julian was such" , "One no longer believing" , "One renouncing a belief" , "Person who deserts their religion" , "Turncoat" .)