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