What does get back to boot camp mean

Lord of the flies chapter 1 reading log

What is indirect characterization? 1 when the author shows a character’s traits through words and actions 2 when a character expresses her true nature by acting in an opposite manner 3 when the narrator tells what a character is like with an explicit description 4 when a narrator is also a character in a story who provides internal thoughts

Based on the character description what xan the reader infer about ruth