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