What are the character traits of mr. dussel from the diary of anne frank?

His real name is Fritz Pfeffer, but Anne calls him Mr. Dussel in the diary. Anne finds Mr. Dussel particularly difficult to deal with because he shares a room with her, and she suffers the brunt of his odd personal hygiene habits, pedantic lectures, and controlling tendencies.

which time period is this? or is this story fictional, i'm going to need more info to answer this question

the answer is states.