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