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