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