Who is Tent City from The Circuit: Stories from the Life of a Migrant Child and what is their importance?

Tent City is not a character, but rather, a place. Tent City is a farm worker labor camp, which is owned by Sheehey Strawberry Farms. It has no legal address and is located in the rural area of Santa Maria. The residents of Tent City are all illegals. Like Francisco's family, they are pickers.