Possible Clues:

• Religious adherent with a ruler from the east
• A star performing in dreadlocks
• Nasties
• Dreadlocks wearer often,
• Dreaded believer?
• Opera star's a religious type
• Dreads sporter, often
• A person in authority upset member of a religion
• One with a dreaded hairstyle?
• Dreadlocks wearer, perhaps, briefly