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