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