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