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