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