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