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