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