[Baymax is really good about saying the things that really don't need to be said, and sometimes Hiro finds he has to apologize. But when he's sure that Naminé is secure he urges Baymax to begin flying at a steady speed to search for the exit.]

It means what it sounds like. [He gives her a funny little grin. He recognizes the curiosity, but he's trying to think of how to really explain something like this. If it was awkwardly presented, he doesn't seem to mind.] Baymax and I rescue people and help out around here all the time...it's our job back home. We keep people safe. You'll find there's a lot of people in the colony that kind of want to do the same thing.