The main character in "Chains" is Isabel, a young enslaved girl who is forced to work for the British during the Revolutionary War. There are a number of other characters, including:
* Curzon: Isabel's younger brother, also enslaved.
* Madame Lucille: The woman who owns Isabel and Curzon.
* Rachel: A young woman who works for Madame Lucille and becomes a friend to Isabel.
* Jack: A young man who is also a friend to Isabel.
* The British soldiers: The soldiers who occupy New York City during the war.
If you are thinking of a different book, please provide more information.