This is my first tab so I hope they are all right! 
It IS a slightly lower range of the song if you don't want to/can't sing as high as Carrie.

Capo 1st or 2nd

C       F        G                              C
Who are you? the one for whom I'd really gladly suffer 
C       F        G                         C
Who are you? the one I'd always love above another 
C
You're my world 
Em
You're my hope 
F                               G
You're all my dreams and all my heart
C       F        G                   C
Who are you? The one I'd give my life to
C       F        G                  C
Who are you? Who loves as deep as I do
C       F                 G                                 C
Who are you? Who takes me through the flood and through the fire
C       F                 G                          C
Who are you? Who leads me through the desert and the dry
C
You're in my thoughts
Em
You know my mind
F                           G
You are my fate, you are my light
C       F        G                   C
Who are you? The one I'd give my life to
C       F        G                  C
Who are you? Who loves as deep as I do
Am
 You're my Savior
G
 You're my center
F                    G
 My beginning and my end
Am
 The one I live for
G
 You're my angel
F        G
 Who are you?
C
You're in my thoughts
Em
You know my mind
F                           G
You are my fate, you are my light
C       F        G                   C
Who are you? The one I'd give my life to
C       F        G                  C
Who are you? Who loves as deep as I do
C       F        G               C=
Who are you? Who fell on me like fire
C       F        G              C  
Who are you? Who chained me to desire
C       F               G                    C
Who are you? You're the one I'd give my life to