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