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