Originally Posted by DaneMcCloud
You said he was a naive dupe (Dupe? What the hell is a Dupe?).
dupe (dp, dyp)
1. An easily deceived person.
2. A person who functions as the tool of another person or power.
tr.v. duped, dup·ing, dupes
To deceive (an unwary person). See Synonyms at deceive.