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