Related Clues:

• Springsteen's nickname (with "the")
• Hiring-firing type
• Person in charge at work
• Manager, gaffer
• Gaffer, manager
• Informal employer or superior
• Decision-maker
• Supervisor or foreman
• Superintendent, manager
• 'Supervisor, chargehand (8)'
• Some powder, thanks to Elsie, by the sound of it
• The one on top is round on top
• Get around to getting to the top
• That could be the boss of the one, likewise
• One may thus keep a watch over a wise man