I don't favour the idea that Aragorn was a 'wizard's pupil'. TA2956 Aragorn met Gandalf and they became friends. Aragorn was 25 at the time, but had lived at Imladris for 18 years, and had been travelling and lving in the wilds for 5 years. I seriously doubt that Gandalf had much to teach him. I mean, when you grow up with elf lords, your foster father is Elrond, and you get to hang out with Elladan and Elrohir, you would get a pretty well-rounded education. I would argue that Gandalf and Aragorn enjoyed a friendship, if not of equals, then one of mutual respect, whereas the Gandalf-Faramir relationship was more of a loremaster-student one.
A small point, mentioned in passing, but I cling to it.