Related Clues:

• Heathen
• Madalyn O'Hair, e.g.
• Deity discreditor
• Evangelist's target
• He's beyond belief
• Isaac Asimov, notably
• Nonbeliever
• Non-believer
• One beyond belief?
• Unbeliever
• O'Hair, famously
• Bertrand Russell, for one
• Religion rejecter
• One you won't find in a foxhole?
• Faith without a person