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