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