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