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