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