apostate

1 ENTRIES FOUND:
apostate /əˈpɑːˌsteɪt/ noun
plural apostates
apostate
/əˈpɑːˌsteɪt/
noun
plural apostates
Britannica Dictionary definition of APOSTATE
[count] formal
: someone whose beliefs have changed and who no longer belongs to a religious or political group

— apostasy

/əˈpɑːstəsi/ noun [noncount]