More specifically, 3,300 hours of unpaid overtime over the past six years. He can't sue for the period before that because of the statue of limitations.
Just a reminder of how Trump repays the people who work for him. Not to mention the time his driver evidently had to give up his health insurance to secure a raise and that was only one of two raises he ever got in a 15 year period.
For the record, his driver, named Noel Cintron, is a registered Republican.