Possible Clues:

• Danger for each one left
• Danger for each gutless intellectual
• Cause for caution
• Hazardous situation
• It's never safe to sound soft and rile this
• Danger for a fairy reaching 50
• In danger, and thrown out of fairy land
• The danger of a topper - ill-balanced, etc
• Precipice, say
• Iceberg, for some