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