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