in·sid·er 
/ɪnˈsaɪdɚ, ˈɪnˌsaɪdɚ/ noun
plural in·sid·ers /ɪnˈsaɪdɚ, ˈɪnˌsaɪdɚ/ noun [count] : a person who belongs to a group or organization and has special knowledge about it
▪ Political insiders say that she is planning to run for president. ▪ The book gives fans an insider's view of Hollywood. — opposite outsider
▪ Political insiders say that she is planning to run for president. ▪ The book gives fans an insider's view of Hollywood. — opposite outsider
