Who is Elijah Lewis from The Glory Field and what is their importance?

Elijah Lewis is first introduced into the narrative in the year 1900 when he is approximately fourteen years old. Elijah's parents are Richard and Lizzy Lewis. Both of Elijah's parents are slaves on the Live Oaks plantation. It is unclear whether or not Richard Lewis is also an escaped slave. Elijah lives on Curry Island with his grandparents Moses and Saran. Elijah is Saran's favorite grandchild (86). Elijah has a close relationship with his cousin Abby, who is a six months younger than Elijah.