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