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