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