Infidel (7)
I believe the answer is:
heathen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">infidel</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that infidel can be written as Heathen)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for heathen that I've seen before include "Non-religious person" , "Person lacking culture or moral principles" , "Godless person" , "Savage" , "Infidel, pagan" .)