The Commissioner is the person in the insurance company who handles the customer's report to the insurance company after the accident. You are responsible for answering the phone and answering some questions, and go to the nearby insurance adjusters to make a fixed-point survey at the accident site of the owner. This kind of work is the work of the operator, equivalent to the operator of the mobile company. ...
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.