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