Former world high jump champion Jacques Freitag is missing and, according to his family, was last seen in Booysens, Pretoria West, on June 17.Freitag was allegedly picked up by a person from his mother’s home in Bronkhorstspruit and dropped off in Booysens. According to his sister, Chrissie du Toit, he was wearing a black jacket and jeans.She said he had been struggling financially and was promised a job by the man who picked him up.“This guy had a job for him. He dropped him off at a guest house, picked him up in the morning and at the end he said he had dropped him off in…