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