apostate
🇺🇸
/əˈpɑːsteɪt/
🇬🇧
/əˈpɒsteɪt/
someone who no longer supports or believes in a religion or idea they once followed
After moving to the city, he became an apostate, leaving his community's strict beliefs behind.
都市へ移住した後、彼はその地域社会の厳格な信念を捨て、背教者となった。