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