I'm horrified by so many of the comments here that seem to lack even the most basic of human decency. Allow me to fill people in for those who have never uprooted your life and moved across the world for a job. It is a massive commitment on the part of the employee, where you sell the majority of your earthly possessions, property, cars, etc. Then you go through an immigration process which even if its handled by FAA…
Anyone who moves across the world for an employer without getting a term like that in writing simply is naive - and we shouldn't offer them sympathy after the fact. It's like someone having their house flooded when they deliberately decided not to get flood insurance... Like, you knew the risk you were taking on...