What is the best description of jurgis after he starts working and living in packing town?

After Jurgis starts working and living in Packingtown, he becomes disillusioned and overwhelmed by the harsh realities of industrial labor. The grueling work, low wages, and poor living conditions take a toll on his health and spirit, leading him to feel like a mere cog in a vast, exploitative system. His initial optimism is crushed as he faces the brutal challenges of survival in a cutthroat environment, leaving him increasingly frustrated and hopeless.