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