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