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