Depends on how he moves; if he's 'fecked' them - by holding out until he gets what he was rightfully owed - he may well be demonised to the point his life in Barcelona wouldn't be worth the hassle or stress.Feck me that‘s nice. He could keep it anyways if he moves.
Takes stones to live in or visit a place where you are truly not wanted.
Bit like buying an amazing home and then finding out your neighbour(s) are the from hell type, but instead with half a city making life unbearable or at least unpleasant enough to dampen your time there.