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