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