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