Possible Clues:

• McCarthy's artisan for whom the above 4 had designs
• I cut out the hard stuff when at work
• Pit family members against each other? Chiseller
• Man's on toes (anag) - craftsman
• Craftsman needing a few pounds taking lodger
• Michelangelo was one
• Craftsman
• The way single person keeps so chipper?
• The way one moans about a craftsman?
• Person skilled in preparing rock for building etc