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