No they can not lay their hands on your dxb income from abroad.
Not sure about that. In a certain north European island there are certainly court orders for payment, which I know is not exactly the same thing but ammounts to it!
Your home country might cause trouble when you enter as a pax.
Not just as pax. A certain Captain who I'm sad to say is a fellow countryman was arrested on arrival when operating a flight. Should have paid for his kids.
