workplace change Korea foreign worker resignation company closed Korea visa notice period korea foreign worker unsafe work Korea Seoul Global Center employer shutdown foreign worker Korea unpaid severance Korea Korea job platforms quitting job Korea foreigner foreign worker job change korea change job korea visa XpatJobs LinkedIn Korea e7 visa job change korea Korea job search guide teaching jobs Korea fired in Korea visa work visa status work visa korea rules labor rights foreigners Korea foreign worker side job korea resigning job korea Korean labor law foreigners Saramin KOTRA job fair visa reporting deadline Korea labor office communication Korea foreign worker reporting delay Korea job termination Korea foreigner foreign worker severance Korea Kowork foreign worker Korea visa reporting timing Korea labor office foreign workers Korea foreign worker visa korea rules job change korea immigration work compliance labor office Korea job change Korea E-7 visa Korea work visa korea jobs in Korea for foreigners visa violation part time korea JobKorea foreign worker mistakes Korea unpaid wages foreigner Korea retirement pay Korea unpaid salary Korea foreigner unpaid wages Korea non-teaching jobs Korea korea employment visa severance pay Korea part-time jobs Korea employer no response Korea workplace change reporting Korea foreign worker visa sponsorship Korea freelance jobs Korea foreigner jobs Seoul salary not paid Korea English jobs Korea foreign worker job change work in South Korea 2025 expat career Korea foreign worker ghosted Korea job change visa korea process foreign worker korea immigration reporting steps foreign employment law korea