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