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