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