Curate, connect, and discover
It's not just people who travel in the TARDIS, it's anyone within a certain range of the TARDIS and the Doctor, I hope this clears things up. 🙂
sorry I'm confused did the show forget the TARDIS translation stuff bc while watching The Hungry Earth/Cold Blood I've just realized how the in hell is anybody other than eleven amy and rory understanding the lizard folk. what!