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