Possible Clues:

• Arrogant and presumptuous person
• Suddenly powerful sort
• Arrogant newcomer, or a hint to the asterisked answers' initials
• Parvenu’s good times with prostitute
• Arrogant type stumped in superior role
• Social climber out of bed to get going
• Sup rum with pastry one disliked after rising
• Social climber put off hosting celebrity
• Arrogant person out of bed before dawn
• Disliked newcomer stumped in superior role