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