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