'Minister' in the Bible

Whereof I was made a minister, according to the gift of the grace of God given unto me by the effectual working of his power.

Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

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: