I've seen some believer tabs that were pretty good, but none were perfect.
This one came from looking at other tabs, listening to the song,
and deciding from there. This one is right in every note.
Standard Tuning
e|-------------------------------------------------|
B|-4h5-4-------------------------------------------|
G|----------4--------------4h6-4-------------------|
D|------------------------------------4----5\6-5\6-|
A|-4-----4-----4-----4-----0----0------------------|
E|------------------------------------0----0---0---|
[ Tab from: https://www.guitartabs.cc/tabs/b/ben_kweller/believer_tab_ver_3.html ]
e|-----------------------------------------------|
B|-4h5-4-----------------------------------------|
G|----------4------------4h6---------------------|
D|----------------6------------------------------|
A|-4-----4-----4-----4---0-----0-----0-----0-----|
E|-----------------------------------------------|
Repeat
And here's the thing that they do all the time in the song, I call it Riff 1.
It's right after every line in the chorus.
e|---------------|
B|---------------|
G|---------------|
D|---------------|
A|---------2-----|
E|-0---2h4-------|
h--Hammer-on
\--slide