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