As an American I never really understood how bad the caste system was until I went to an Indian restaurant and arrived a few minutes before it opened for dinner. The owner, an Indian gentlemen, invited me into the restaurant rather than making me wait until it opened. He was exceedingly polite and even offered me a complimentary cup of tea while I waited for the restaurant to open. Then he barked something in an Indi…
Report them.
For example, in the US you can legally bring your unpaid servants to the US on a B-1 visa.
Conversely, if he is a paid employee and legally migrated with the family then there is nothing to be done about it.