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