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