insider /ɪnˈsaɪdɚ/ /ˈɪnˌsaɪdɚ/ noun plural insiders
/ɪnˈsaɪdɚ/ /ˈɪnˌsaɪdɚ/
noun
plural insiders
Learner's definition of INSIDER
[count]
: a person who belongs to a group or organization and has special knowledge about it(团体或组织)内部的人;圈内的人;知情人 — opposite outsider