Ephesians 6:22
I have sent [i.e., am sending] him to you for this very purpose, so you can know our situation and that he can encourage your hearts.
Colossians 4:7-8
Tychicus will tell you all about my affairs. [Note: This man probably delivered this letter as well as the one to the Ephesians. See Eph. 6:21]. He is our dearly loved brother and faithful minister and fellow-slave in [the service of] the Lord.
Philippians 2:19
But I hope in [harmony with the wishes of] the Lord Jesus to send Timothy to you soon, so that I could be encouraged when I learn of your situation [i.e., when Timothy returns with news from Philippi].
Philippians 2:25
But I considered it necessary to send to you Epaphroditus, my brother, fellow-worker and fellow-soldier, and your messenger [to me] and minister to my needs.
Colossians 2:2
[I do this] so that their hearts will be encouraged [while] being united in [mutual] love, [and] so that they will have the wealth of a fully assured understanding, in order to fully know about God's hidden secret, [which is] Christ.
1 Thessalonians 3:2
and so we [i.e., I] sent Timothy, our brother and God's fellow-worker in [the ministry of] the Gospel, to strengthen and encourage you in your faith,
2 Thessalonians 2:17
encourage and strengthen your hearts in every good thing you do and say.