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