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