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