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