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