Ocean's Apart

Book written late 17th century by a slave girl named Jasmin. Tells of how pirates raided a small remote Caribbean island, she is kidnapped, put aboard a slave ship. Sold into slavery and brought to Barbados. Molested by the fat ugly Lord Henry, old enough to be her father. Taken on a rough sea voyage to London England and is shunned by the upper class ladies of the court encouraged to despise her by the snobbish high-handed Lady Arabella.
Now having her freedom Jasmin returns to Barbados, where her life is now reversed, her friends are now her servants.