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