Possible Clues:

• Greek character can, always, make an insurrectionist
• Rebel
• Sailor or soldier who refuses to obey authority
• Rebel with pointed object intercepting letter from abroad to the Queen
• Participant in uprising
• Rebel against authority
• Christian, say, less inclined to speak when touring in East
• Rebel sounds quiet between these walls
• Rebellious person, in the main
• Rebel sailor