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