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