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