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