The Gospel and Community: Definitions

From Steve Timmis’ three-part lecture (see below):

Jesus, God’s promised Rescuer and Ruler, lived our life, died our death and rose again in triumphant vindication as the first fruits of the new creation to bring forgiven sinners together under his gracious reign.

How would you (or could you?!) improve upon this definition? Moreover, what difference should it make in your life?