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