Colossians 1:18

1:18 He is the head of the body, the church, as well as the beginning, the firstborn from among the dead, so that he himself may become first in all things.

Colossians 1:24

1:24 Now I rejoice in my sufferings for you, and I fill up in my physical body – for the sake of his body, the church – what is lacking in the sufferings of Christ.