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