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