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