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