Related Clues:

• Might this gent have a scheme to be mournful?
• Have heavy responsibility
• It's a heavy responsibility to be in command
• It's a heavy responsibility to have to do this
• Bear heavy responsibility to be the boss
• Be the heavy boss
• To be boss is a weighty matter
• Go first, but not in the light of this, it seems
• To have been in charge about a heavy matter
• No light matter to be in command (4)
• A heavy responsibility to have to be in charge
• To be in charge is no light matter
• It's a heavy responsibility to be at the head
• It's no light matter to be out in front
• 'Met Al to be the chief, however heavy (4)'