Unwitting (adjective)

Not knowing or understanding the true situation or facts, often as a result of someone else's actions or decisions.

Origin:

Derived from the old english word 'wit' which means to know or understand.

Examples:

1. She was an unwitting accomplice in the crime.
2. He was an unwitting pawn in their political scheme.
3. She was an unwitting victim of identity theft.
4. He was an unwitting observer of the fight between the two men.
5. She was an unwitting source of information for the reporter.