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