company closed Korea visa JobKorea fired in Korea visa employer no response Korea quitting job Korea foreigner part-time jobs Korea freelance jobs Korea English jobs Korea foreign worker side job korea work visa korea rules unpaid salary Korea foreigner jobs in Korea for foreigners XpatJobs job termination Korea foreigner labor office foreign workers Korea labor office communication Korea LinkedIn Korea Korea job platforms foreigner jobs Seoul foreign worker ghosted Korea unpaid wages foreigner Korea change job korea visa KOTRA job fair visa reporting deadline Korea Kowork e7 visa job change korea foreign worker mistakes Korea notice period korea employer shutdown foreign worker Korea foreign worker job change foreign employment law korea Saramin korea employment visa visa sponsorship Korea work visa status foreign worker reporting delay Korea Seoul Global Center work visa korea Korea job search guide visa violation part time korea foreign worker unsafe work Korea work in South Korea 2025 foreign worker resignation labor rights foreigners Korea teaching jobs Korea visa reporting timing Korea expat career Korea non-teaching jobs Korea foreign worker job change korea resigning job korea workplace change reporting Korea foreign worker