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