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