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