Characters
Have you no shame?
— Rev. Robert Jones · The Englishman Who Went Up a Hill But Came Down a Mountain

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker rebukes someone for behaviour they find appalling, asking whether any embarrassment is left. It is a scolding built on the idea that a conscience should have stopped the person. The question is rhetorical, expecting the answer that they clearly feel none.
Context reviewed