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