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