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