insider
名词 insider:
an officer of a corporation or others who have access to private information about the corporation's operations
形容词 inside:
relating to or being on the side closer to the center or within a defined space
同义词:inside
being or applying to the inside of a building
同义词:inside
confined to an exclusive group
同义词:inside, inner, privileged
away from the outer edge
同义词:inside