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