Complex sentence: Weihong, who is currently unemployed, helps out in Zhenfa's automobile business while Hanyuan is a successful lawyer and Guoqiang earns a living by being a professional "scapegoat" for criminals.
Split into simpler sentences: Weihong, who is jobless, helps out in Zhenfa's car dealing business, while Hanyuan is a successful lawyer. On the contrary, Guoqiang earns a living by becoming a professional "scapegoat" for criminals.