Definition of pagan:
(adj) :
relating to, characteristic of or adhering to religions other than Christianity; immoral, uncivilized, savage
"many societies kept their pagan deities in the form of saints."
(n) :
a person not adhering to any major or recognized religion, especially a
heathen or non-Christian (often derogatory); an uncivilized or unsocialized person, especially of children
"this community has a surprising number of pagans."