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