Related Clues:

• Couch potato's opposite
• Opposite of a layabout
• Take-charge sort
• Assertive type
• Hardly an idler
• Mover or shaker
• No bystander
• Superenergetic one
• Idler's antithesis
• Industrious one
• Electrical converter
• One acting
• Active type
• Real go-getter
• Intense worker