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