To understand our nature, our identity, we need to consider His. To know who we are, you have to know who He is.
Paul takes a moment from directly addressing the believers in Colossae to point out, or remind them, that Jesus is First, Above All; Creator Ruler and Sustainer. I want you to see that our identity in Christ is only effective because of WHO HE IS, and our Hope is based on the same.

“For you have died, and your life is hidden with Christ in God.” [Colossians 3:3]