The first thing that I was sort taken aback was the assumptions that were made of Osarin and the vanguard within your role. You had some things in there that just didn't make sence with the religion or the history/past of it. But that was a personal matter. (side note: No one will ever become an Osarin, as thats the name of the dragon. I think what you were searching for was the Vanguard)

Your right on the wizi part as I had a few reasons with it. First being was I wanted you to search out and come up with your own answers. To make your life better, balanced and self desciplined by your own actions. Not me having to tell you how to do these things.
The other function of going wizi was then to watch you and see if you actually did anything or just sit around. I guess I must have caught you on the down times.

"I saw you countless times and hailed you, but all I got was silence."

I usualy dont respond to tells, as when I vis I get quite a few from all sorts of people wanting to "just say hi". Those who I know to be followers, I do watch though I may not give tells. As well, many will notice immteractions through mobs they interact with (as Theerkla was talking about with the Man-at-arms). Or as Divox once had a guildmaster talk with him on how to fight better (when the damn gnome was still young and not annoying ;P) There are many other things which drive interactions with followers (echos being a big one) but tells I'm not all that big on. The less you hear from Vahlen, the better your doing. He's that stern vet that sits in the corner and only nods with a