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