What does a warehouse operator mean?

Is the person in charge of goods entering and leaving the warehouse. The escort needs to record the goods in and out of the warehouse on a piece of paper, so as to verify the goods in and out of the warehouse in the future, check the goods in and out of the warehouse, record the goods in and out of the warehouse, and sort and load and unload the goods. Warehouse document handler refers to the person who is responsible for the goods in and out of the warehouse.