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