nonchristian

/nɑnˈkrɪstʃən/
adjective
  1. Not belonging to or associated with the Christian religion.
    • She studied nonchristian religious traditions in her world religions class.
    • The holiday season includes celebrations for many nonchristian cultures as well.
    • The school welcomes students from both Christian and nonchristian backgrounds.
Synonyms
noun
  1. A person who is not a Christian.
    • The book explores how nonchristians view the concept of salvation.
    • He was respectful of the beliefs of nonchristians in his community.
    • The interfaith group included Christians, Jews, Muslims, and nonchristians.