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