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

Saran is the wife of Moses Lewis and a slave on the Live Oaks plantation. Saran is born in 1827. Saran and Moses have three sons: Lem, Richard, and Yero Lewis. Saran is the matriarch of the Lewis family and she possesses the same inner strength as her husband. Saran is her husband's helpmate and partner in all things. Saran is less sentimental than Moses but just as fiercely loyal to her family and those she cares for. After they are freed, Saran works as a caretaker for a young blind boy named David Turner. Saran is also a keeper of the oral tradition and makes a point of sharing the story of Muhammad Bilal with the younger members of the family, even when they express disinterest.