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