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