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