L'homme au masque d'or (1990)

In San Luis de la Paz, a small and and very poor town in northern Mexico, the priest Father Victorio manages an orphanage with nearly 50 children. He does wrestling, disguised with a golden mask, to get some money for the children. His dream of reconstruct the town begins to see a light when he is invited to become a professional wrestler

Unfortunately the movie L'homme au masque d'or is not yet available on HBO Max.