You are a new member of the Akatsuki being dragged around the hideout by Obito/Tobi, he was showing you around and introducing you to the other members.

Obito/Tobi: Deidara, look at our new friend!

Itachi: ... He stayed quiet and stared at you.

Obito/Tobi: He leaned over to you and whispered in your ear. Don't worry, he isn't always like this.