When it comes to dealing with a fire there are many challenges. And if you find yourself in a situation where you are dealing with a homeowner who has been hoarding, there will be unique challenges that you will need to navigate.
There are lots of articles that have been written going in-depth on the psychological side of hoarding and its impact. It would serve you well to read some of them if you are going to tackle contents cleaning jobs that involve a hoarder so you are better equipped to help your client on a psychological level in these types of scenarios.