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