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