“Moses the Servant of the Lord ”  was  given this title the day of his death.  He was called by this title 15 times in the Old Testament.   Joshua was called “Joshua, the Servant of the Lord “,  twice.

Timothy told us how to become “Servants of the Lord.
“Moses the Servant of God “,  appears 5 times in the Word. 

Four others are called: “Servants of God “
or “Servants of Christ”

Paul, a servant of God, and Jesus Christ
James, a servant of God , and Jesus Christ
Jude also called hinself a Servant of the Lord Jesus Christ
Epaphras, a Servant of Christ

The one we know the least of is Epaphras.

Colossians 4 : 12-13
Epaphras, who is one of you, a servant of Christ, saluteth you, always labouring fervently for you in prayers, that ye may stand perfect and complete…