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