Answer:
This quote points out how well-known Ebenezer Dorset is.
Step-by-step explanation:
It means that Ebenezer Dorset was very well known by people who wish to do him harm, making him a victim of some misfortune that they will cause. These people are even aware of Ebenezer Dorset's family, as they have information about his father, which shows that both he and the family are very public people.