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