Possible Clues:

• Prier activity?
• Absence of evil: an added indication of female's curiosity
• Yenta's forte
• What did for cat functions when child comes back round
• Prying seaman's among rogue number joining ship
• Inquisitiveness, tendency to pry
• Parker's characteristic clamour — the first I ignored
• Inquisitive characteristic
• Snoopy quality
• Parker's characteristic as head admitting old shortcoming