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