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