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