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