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