> Also, not sure if you are linking Roma and slavery, at least in East that was absolutely never the case, in contrary there were medieval laws banning them from entering cities etc.

It absolutely was the case. Roma slavery in Romania is a well known part of history.[0] It doesn’t matter that they might have been banned from cities, because slavery put them to work on e.g. boyars’ and monastic estates.

[0] https://en.wikipedia.org/wiki/Slavery_in_Romania