The quote shows that Scrooge's behavior harms him as much as it harms others. This adds to the theme that greed is harmful to everyone.
We can arrive at this answer because:
Scrooge's nephew claims that Scrooge's offenses harm him as much as they harm others, making him a victim of himself.
This question is about "The Christmas Carol" and you can find more information about this story here:
https://brainly.com/question/7783677