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