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