I am sure he meant people on a work visa, whom the employer had applied for and are waiting to get a green card. The process can take from 2 to 10 years, so you

I am sure he meant people on a work visa, whom the employer had applied for and are waiting to get a green card. The process can take from 2 to 10 years, so you are at the mercy of the employer during that time- where abuse often worsens because of the power leverage.