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