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