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