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