I would think the would be bewilderment from Hans when the pilot starts communicating with him. And would he even know there's a person in the OGRE?
I'm glad you asked random stranger.
=== === === === === === === === ===
"Its talking to me." Internal hemorraging "I'll deal with my brain dripping out my ear a little later. For now. It doesn't have a mouth to eat me, and its killing Titans. Win win."
He's deffinitely going to have a break down, cry probably followed by screaming at the universe for being so unfair and then swiftly followed by a resolution that he will carry on with pride.
Something to that degree.