#1
e|------
b|--1--
g|------
d|--3--
a|--3--
e|------

i really don't know. some kind of variation of g, f or c?
All for one and one for all.
#2
Csus4 and if you play the D string as an open note it's Csus2

This is also the wrong forum
#7
It could work over an F or Fm (It's only missing the a note on the G string to be either chord), aswell as the C's everyone else is talking about.
I deeply regret the 6661 in my username. Siiiigh. Damn you, 14 year old me, you edgy little bastard.