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