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