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