Another Facebook Friend/Privacy Settings Q

Factual Questions
1

I am Facebook Friends with both A and B.

I go to look at A’s Friend List: it includes party C. I can access [with limited view] C’s page from here. I can see at C’s Friends list, and it contains both A and B.

I go to look at B’s Friend List: it does not include party C.

When I do an independent search for party C’s [relatively common] name, he doesn’t show up at all, or at least not in the first 10 or so hits Facebook gives me (while Friends-of-Friends usually show up very early in such searches).

Why would this be? I suspect it has something to do with C’s privacy settings, but what specifically is the designation he’s making here? (This is all family members, by the way, and I’m just curious as to who is hiding themselves from who specifically). If C had a designated a privacy setting making him essentially “invisible” to me, why can I see his name on A’s Friend List?

2

Maybe it’s B that C doesn’t want to see C’s business.

3

Perhaps. I think I need to play around with my own privacy settings and see what happens with them. It seems very convoluted to me.

4

But then C wouldn’t have B on his friends list. Blocks terminate friendships.

The closest thing I’ve seen to this is when B has disabled the ability for anyone to add him. But last time I saw that, the friend was still on the list–it just wasn’t a link.

5

Weird; never seen that before.