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