Answer: Shame
Explanation:
Shame is the emotion that contain humiliation caused due to wrong or foolish act performed by someone.It generates distress in a person because of such behavior.The person does not want to face anyone,feels like disappearing etc
According to the question, Rainer is feeling ashamed because he perform an incorrect act by taking toy from his cousin and thus, got scolded.He is embarrassed and does not want to face people .So, he is hiding his face from others .
