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