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