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