Korean irregular workers union sues Hyundai Motor Group Chairman Chung Eui-sun for illegal dispatch violations. The lawsuit involves 1,892 workers seeking direct employment recognition at Hyundai Steel. Multiple court rulings support workers' claims despite company's alleged non-compliance. The case follows revised labor union law passage strengthening irregular worker protections. Union members held rallies demanding immediate negotiations & employment conversion. Criminal charges target individual executives for systematic employment law violations affecting subcontracted workers.