The brother of a man whose chopped up body was found in a Brooklyn refrigerator insisted his slain sibling was no drug dealer. “He was a very good person,” the brother of Kawsheen Gelzer told the Daily News. “He wasn’t a drug dealer or bad person. He had a family who always loved him and cared about him.” Police last week found the 40-year-old Gelzer’s dismembered, decapitated corpse inside a ...