Answer:
Here are some and I really hope it helps at least a tiny bit since I read this book a long time ago
Explanation:
First of all, she tells her about the wasp nest and helps her when she gets stung by them, she contributes to plan how to destroy the career alliance, helps her hunt and teaches her how to move through the trees, she basically sacrifices her own life for the plan to work since she dies afterwards and this motivates Katniss to keep going and win the games