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