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