Answer:
1. Sancho Panza - spent time being held for ransom by pirates and also spent time in prison
2. Knight of the Wood/Mirrors - is defeated in a battle with Don Quixote
3. Innkeeper - performs Don Quixote's knighting ceremony
4. Cervantes - Cervantes is the author of "Don Quixote" and is not directly involved in these specific events within the story.