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