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