What are the hardest parts of Francisco’s life

The Jimenez family leads a transient lifestyle out of necessity. They initially move to California in order to provide for the family better, but they soon learn that almost every other poor family in North America had the same idea already. Without trade skills or education, they are forced to do manual labor on farms for miserable pay. Since they are undocumented, the Jimenez' don't have the privilege of demanding fair payment and labor practices from their employers. They cannot afford to attract attention from the government. Additionally, they are seeking work in an extremely saturated job market. The wealthy farmers pay meager sums and don't guarantee job security for anybody. They can always find another able body to do the job, so the work is stressful. Because of their poverty, the Jimenez often do not have enough money to provide for basic necessities or to pay for the baby's doctor bills when he gets sick. Whether because they are Mexicans or poor, they experience persecution everywhere they go. It's an uphill battle in the migrant community, which drives Papa to become prematurely old and constantly stern. His mind is so filled with responsibilities that he cannot let his guard down for a second.