'Who' is 'suffering'?

> "What do you think, Anuradha: Do you regard form as the Tathagata?" > > "No, lord." > > "Do you regard feeling as the Tathagata?" > > "No, lord." > > "Do you regard perception as the Tathagata?" > > "No, lord." > > "Do you regard fabrications as the Tathagata?" > > "No, lord." > > "Do you regard consciousness as the Tathagata?" > > "No, lord." > > "What do you think, Anuradha: Do you regard the Tathagata as being in form?... Elsewhere than form?... In feeling?... Elsewhere than > feeling?... In perception?... Elsewhere than perception?... In > fabrications?... Elsewhere than fabrications?... In consciousness?... > Elsewhere than consciousness?" > > "No, lord." > > "What do you think: Do you regard the Tathagata as form-feeling-perception-fabrications-consciousness?" > > "No, lord." > > "Do you regard the Tathagata as that which is without form, without feeling, without perception, without fabrications, without > consciousness?" > > "No, lord." > > "And so, Anuradha — when you can't pin down the Tathagata as a truth or reality even in the present life — is it proper for you to > declare, 'Friends, the Tathagata — the supreme man, the superlative > man, attainer of the superlative attainment — being described, is > described otherwise than with these four positions: The Tathagata > exists after death, does not exist after death, both does & does not > exist after death, neither exists nor does not exist after death'?" > > "No, lord." > > "Very good, Anuradha. Very good. Both formerly & now, it is only suffering that I describe, and the cessation of suffering." Based on the above, who is it that is really suffering? And who is I?