many people are confident that 'the revealer' may reveal something of value.that从句是什么从句?

问题描述:

many people are confident that 'the revealer' may reveal something of value.that从句是什么从句?
这句话的 句子成分是什么?定语从句?表语从句?都不象.
confident 是形容词作are的表语

宾语从句