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