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