Related Clues:

• One who works under pressure
• Water bird
• Pentathlon competitor, e.g.
• Fencing figure
• Scuba user
• Wreck explorer
• Navy Seal, e.g.
• Thruster, sometimes
• Reef visitor
• Loon, e.g.
• Frogman
• Springboard performer
• Certain fencer
• Frogman, e.g.
• Underwater explorer