What is the meaning of Confess?

To admit to the truth, particularly in the context of sins or crimes committed.

To acknowledge faith in; to profess belief in.

To unburden (oneself) of sins to God or a priest, in order to receive absolution.

To hear or receive such a confession of sins from.

To disclose or reveal.

(chiefly Japanese media) To profess one's love.

Source: wiktionary.org