what is a nonimmigrant worker They do jobs that ordinary people are reluctant to do and are hired by many employers to do the work. If they don’t do this, the industry will suffer from a manpower shortage, which could lead to an economic collapse, although it may not go so far. Of course, there are problems that arise because of them. People are not happy about the influx of immigrants. There is also a view that with their arrival, the crime rate will have increased and they will take away jobs. We need to be aware that these problems exist and keep an eye on them.