Final answer:
Bama is first amused at the old man carrying the food packet without touching it, but later feels anger, dismay, and revolt due to the realization of the old man's poverty and hunger.
Step-by-step explanation:
In the given excerpt, Bama is first amused at the scene of the old man carrying a food packet by its string without touching it because it is something unusual and strange to her.
She is filled with anger, dismay, and revolt later on because she realizes that the old man is forced to carry his food in this manner due to extreme poverty and hunger.
This situation highlights the inequality and hardships faced by the poor, evoking strong emotions in Bama.