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