Here is how to treat non-Muslims: 1. Islam urges Muslims to show kindness to parents even if they are non-Muslims. 2. Islam advises Muslims to treat neighbors kindly even if they are not Muslim. 3. Islam encourages Muslims to ensure justice and show kindness to non-Muslims who are not fighting Muslims. 4. Islam prohibits killing non-Muslims living under Muslim rule. 5. Islam prohibits wronging a mu‘ahid, detracting from his rights, or burdening him with more work. 6. Islam prohibits committing transgression and commands justice.