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