Possible Clues:

• Believer in nothing
• Philistine stripped and thrashed sceptic
• One who believes in nothing at all
• One rejecting authority, values
• When I am in a part of US I choose to be an unbeliever
• Hour with one roll behind in backing extreme sceptic
• There's nothing one can believe in
• Someone who believes in nothing
• One's in want of nothing at all
• Person who rejects all moral and religious principles - nothing really exists