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