Related Clues:

• Fireball
• This one is no idler
• Accomplisher
• Proactive person
• Dreamer's counterpart
• A mover and a shaker
• Catalyst
• Enterprising one
• Couch potato's opposite
• Opposite of a layabout
• Take-charge sort
• Assertive type
• Hardly an idler
• Mover or shaker
• No bystander