Interesting perspective. Check out our site. Exhorters are anointed. They, too, are ministers in their own right--just not preachers. www.dontmakemepreach.com
Encouragement can come from anyone who is responding to somneone's despair, dismay, grief or whatever souce of discouragement they may be having, but exhortation is a DIVINE UNCTION, usually, firmly issued, with a note of urgent counsel, and it comes from a deeply spiritual place and addresses spiritual matters of God's heart to the hearts of His people.