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