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