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