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