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