Final answer:
Elie's father gives him cash, jewelry, and a change of clothes before he goes to work. After finishing work, Elie's father likely keeps these items with him.
Step-by-step explanation:
Elie's father gives him cash, jewelry, and a change of clothes before he goes to work because they are preparing to leave their home due to the impending horror and violence. Elie's father wants to ensure that they have some valuables with them to secure their survival in uncertain circumstances.
After he finishes working, Elie's father likely keeps these items with him to prevent them from being stolen or lost, as they hold some financial and sentimental value.