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