Heathens (6)
I believe the answer is:
pagans
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">heathens</span>' is the definition.<br/ ><span class="explanation-format__explanation">('pagan' can be a synonym of 'heathen')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pagans that I've seen before include "Heathens or nature-worshippers" , "Non-believers" , "Unbelievers" , "They have no religious beliefs" , "Heathens or nature worshippers" .)