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