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