Heathen
'heathen' is the definition.
(both can mean an irreligious person)
This is all the clue.
(Other definitions for pagan that I've seen before include "advocate of pleasures" , "Infidel" , "One not accepting your god" , "One who does not acknowledge your god(s)" , "Pantheistic" .)
'heathen' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for infidel that I've seen before include "Sceptical" , "One without religion (mainly archaic)" , "One who doesn't believe" , "Literally, 9 [UNFAITHFUL]" , "Someone who does not acknowledge your god" .)
'heathen' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for godless that I've seen before include "Profane, wicked" , "Wicked - impious" , "Of no faith" , "Irreverent - atheistic" , "Heathen" .)
'heathen' is the definition.
(idolater is a kind of heathen)
This is the entire clue.
(Other definitions for idolater that I've seen before include "Heathen" , "I'm devoted to my image" , "False worshipper; tailored (anag.)" , "Aaron, perhaps, in Moses' absence" , "I put off" .)