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