con·fi·dant 
(k
ŏn
f
ĭ-d
ănt
′, -dänt
′, k
ŏn
′f
ĭ-d
ănt
, -dänt
)
n.1. One to whom secrets or private matters are disclosed.
2. A character in a drama or fiction, such as a trusted friend or servant, who serves as a device for revealing the inner thoughts or intentions of a main character.
[French confident, from Italian confidente, from Latin cōnfīdēns, cōnfīdent-, present participle of cōnfīdere, to rely on; see CONFIDE.]