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