Insider

/ɪnsˈa‍ɪdɐ/

/ˌɪnˈsaɪdɝ/

Insider

someone who is part of a particular group or organization, especially someone who knows information that others do not have access to

Examples

1. The senator has long been accused of insider trading, but it seems like this time the authorities have finally caught him in the cookie jar.

2. - What's insiders?

3. The insider said.

4. And the insider pays zero.