The Psalms find their final referent or meaning in a community of believers in the Messiah who are incorporated in him and thus share in his blessings, victory, and sufferings all precisely because they are his.
Apostolic Hermeneutics and the Psalms

The Psalms find their final referent or meaning in a community of believers in the Messiah who are incorporated in him and thus share in his blessings, victory, and sufferings all precisely because they are his.