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