A Hasidic dad from Brooklyn whose body was dismembered and dumped by Colombian thugs was in South America to meet a potential new wife, a close pal told The Post. Nachum Israel Eber, 51, a member of the Boro Park Belz Hasidic community, was found dismembered inside a bloody wardrobe that was dumped on a street in Bogota on Sunday. Colombian authorities and media mistook the visitor from the Big Apple as a rabbi — though his friends say he was a building developer and plumber. Nachum Israel Eber, 51, traveled to Colombia to meet a potential wife, his friend said. JamPress Passersby reported a blood-soaked wardrobe dumped on a sidewalk in Bogota on Sunday. JamPress “It’s a terrible tragedy,” close friend Motti Dresdner said on Thursday. “A person, a gentleman in his prime. He was always talking about his future, how he was going to get remarried and find a perfect bride, and have a beautiful life.…