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