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