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