It reinforces that the person is slipping towards death.
Explanation:
The words saved, shrunk, shank, and whistles in his sound all describe a man who is losing touch with his previous self i.e his living self. Therefore he is slipping towards death. Hope this helps :)
Answer: I disagree because I feel that is was one little thing that Miep Gies could do for her friends. She had already made the decision to risk so much, and she couldn’t stop them.