Another theme could be self - discovery. Being lost forces the boy to learn more about himself, his strengths and weaknesses. For example, he might find out that he's more resourceful than he thought when he has to build a shelter on his own. It's also a journey of growing up in a tough situation.
Another theme could be self - discovery. As he is lost, he may have to explore and find out who he really is. He may face challenges that force him to look within himself and figure out his values, strengths, and weaknesses. This process of self - exploration could be a central theme.
One possible theme could be survival. If the boy is lost, he has to find ways to stay alive, like finding food and shelter.
One possible theme could be injustice. If the boy is wrongly associated with death row in some way, it shows how the system can be unjust.
One possible theme could be isolation. Since it's about a lost boy, he might be isolated from others, either physically or emotionally.
One possible theme could be friendship. The boy might form deep bonds with other characters in the story, and these friendships help him through tough times.
Another theme might be growth. Through their interactions with the birds, the boy or boys could grow in understanding, compassion, and a sense of responsibility. For example, if they rescue a bird, they learn about taking care of another living being. This could be a step in their personal growth journey.
One possible theme could be isolation. Since he is a lost boy, he might be alone and have to deal with the feeling of being cut off from the world or his normal life.
Since I'm not certain about the exact 'Lost Boy Ruth' story, common themes could be loss and isolation. If Ruth is lost, he would surely feel isolated from his familiar surroundings and people.
Another theme might be cultural identity. The Thai boy in the story could be exploring his own cultural identity, dealing with traditional values and modern influences.
Another theme could be growth and learning. As the boy takes on the role of a judge, he must learn quickly about the laws, about people, and about how to make the right decisions. His journey as a judge could be a story of his personal growth, from an inexperienced child to a respected figure who is able to handle complex situations and dispense justice fairly.