What are the motifs in Same Kind of Different as Me: A Modern-Day Slave, an International Art Dealer, and the Unlikely Woman Who Bound Them Tog' by Ron Hall?

Recurring themes or motifs in Hall's, Same Kind of Different as Me: A Modern-Day Slave, an International Art Dealer, and the Unlikely Woman Who Bound Them Tog', include faith, prejudice, forgiveness, and acceptance.