How does The Pilgrim’s Progress develop the theme of Sin and Guilt?

The Pilgrim’s Progress by John Bunyan develops Sin and Guilt across the chapters the companion marks for this theme.

The burden of sin is a driving force for the protagonist, represented by the heavy load on Christian's back, and the narrative addresses the guilt, repentance, and liberation that come through divine grace.

Discusses spiritual pride, carelessness, and the fall that follows, as well as the terror of the law (Moses) for sinners.