Could you describe the challenging conditions Amir Shakkar was ordered to endure in the Chavadi and explain his motivation for staying there?

Amir Shakkar was instructed by Baba to reside in the Chavadi, a place described in Chapter 22 as old, dilapidated, and fraught with hardship. The building was home to lizards and poisonous scorpions, and even lepers stayed there amidst garbage and filth. The environment was characterized by constant dampness, wind, and cold, which was particularly difficult for Amir as he suffered from rheumatism. Despite these miserable external conditions, Amir's motivation was his profound internal faith. He accepted Baba's firm words as the ultimate medicine and Prasad. As Chapter 22 explains, he believed that due to his certain faith, everything would go well, and thus he stayed in the Chavadi for nine months.