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