SURFSIDE, Fla.—Families around the world remained stuck between waning hopes and widening fears Saturday, two days after the stunning collapse of a 12-story condominium near Miami. At least four people were killed and more than 150 people remained unaccounted for as rescuers continued to dig through the rubble of the Champlain Towers South in Surfside. The building was home to an international mix of foreign retirees, South American immigrants, and Orthodox Jews, all with anxious loved ones across the globe. Here are some of their stories: Maria Theresa and Ricky Rovirosa Maria Theresa and Ricky Rovirosa are a “perfect match” who support each other and others, according to longtime friend Monika Mucarsel Gressier. The couple has two grown children they raised in their South Miami home, and used their Surfside condo as a part-time summer getaway. Gressier was living in California when she met Maria Theresa, whom she called Maituca, …