Verses with the word affairs in the New Testament (4 verses):

Ephesians 6:21
But that ye also may know my affairs, and how I do, Tychicus, a beloved brother and faithful minister in the Lord, shall make known to you all things:

Ephesians 6:22
Whom I have sent unto you for the same purpose, that ye might know our affairs, and that he might comfort your hearts.

Philippians 1:27
Only let your conversation be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;

2 Timothy 2:4
No man that warreth entangleth himself with the affairs of this life; that he may please him who hath chosen him to be a soldier.