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