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