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