Why is tok-chae a prisoner?

Tok-chae is a character from the novel "The Guest" by Hwang Sok-yong, where he is imprisoned for his political beliefs and actions against oppressive regimes. His character embodies the struggles of individuals fighting for justice and freedom in a repressive society. The story highlights the impact of political ideologies on personal lives and the sacrifices made for the sake of resistance. Tok-chae's imprisonment serves as a powerful commentary on the consequences of standing up against tyranny.