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