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