I agree with JD Greear that adoption is one of the clearest displays of the Gospel.

Check out his excellent post on Adoption As Ministry,

I’ve included below a letter that one of our college pastors, Trevor Atwood, sent back from Ethiopia. He and Keva are adopting their second son from there, and his letters have been so moving to me I wanted to share them with you. Adoption is a fantastic ministry, where you really (as you’ll see) can make an unbelievable difference in the life of someone. And it’s one of the clearest displays of the Gospel that I can think of. Talk about doing international missions right in your own home! Enjoy…

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