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