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