Be A Builder In The Work Of The Lord

 1 Corinthians 15:58 

Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord.

 1 Corinthians 16:10 

Now if Timotheus come, see that he may be with you without fear: for he worketh the work of the Lord, as I also do.

Ephesians 4:12 

For the perfecting of the saints, for the work of the ministry, for the edifying of the body of Christ: