Peter is also hiding in his family from the Nazis. He is shown having a reserved demeanour but then later he warms up to Anne.
Step-by-step explanation:
The diary of Anne frank which is also known as the diary of young girl is a book which had been written in the Dutch language and talked about the diary of Anne Frank.
This was about the time when Anne frank was hiding with her family for a long period of two years when Nazi had occupied Netherlands. They wanted to save their own lives and the lives of their family members, hence they had to save themselves.