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