Leave him where he is
This page contains details about Fallen London Actions.
From: The cat-chaser
You could mention him to the Duchess when next you meet. A subtle reference might make her smile.
Very lovely tea
You put down your tea cup and talk for a moment about a 'long lost friend'. The Duchess looks at you suspiciously for a moment. When no attempt at blackmail is forthcoming, she allows the merest hint of a smile.