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