Gamora was a little distracted with her surroundings, so she didn't see the man sitting on the floor against the wall. When he speaks up, she turns, a bit startled, but then puts on her composed face. She doesn't know who this man is, but by the look of him, he's in no condition to be a threat.

"A friend." And a talking tree. You know. Normal stuff.

"Are you alright? You don't look well."