We sent Timothy, who is our brother and co-worker in God's service in spreading the gospel of Christ, to strengthen and encourage you in your faith
NIV
And we sent Timothy, our brother and God's servant in [spreading] the good news (the Gospel) of Christ, to strengthen and establish and to exhort and comfort and encourage you in your faith
AMP
And sent Timotheus, our brother, and minister of God, and our fellowlabourer in the gospel of Christ, to establish you, and to comfort you concerning your faith:
KJV
So that no one would be unsettled by these trials. You know quite well that we are destined for them.
NIV
That no one [of you] should be disturbed and beguiled and led astray by these afflictions and difficulties [to which I have referred]. For you yourselves know that this is [unavoidable in our position, and must be recognized as] our appointed lot.
AMP
That no man should be moved by these afflictions: for yourselves know that we are appointed thereunto.
KJV