accomplice
nounUK /əˈkʌm.plɪs/
US /əˈkɑːm.plɪs/
An accomplice is a person who helps someone do something wrong.
The thief's accomplice waited outside the store while he went in.
RELATED WORDS
OTHER MEANINGS
2. A person who helps another commit a crime but is not the main offender.
The driver was charged as an accomplice in the robbery.
3. A companion or associate in any activity, often used playfully.
My little brother was my accomplice in planning the surprise party.
4. Someone who aids or encourages wrongdoing without directly doing it.
By staying silent, she became an accomplice to the cheating.