Simplify the following text for a Grade 8 native English-speaking person.
Original: While there he meets a young half-black boy by the name of Arthur Stuart , the son of a slave and a slave-owner who has been adopted by the owners of the local guesthouse .
Simplified: While there he meets a young half-black boy by the name of Arthur Stuart , the son of a slave and a slave-owner who has been taken in by the owners of the town 's guesthouse .