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