Three Resources for you:
The Call is not Enough:
In this first article, Ryan writes: “I had a psychotherapist a few years ago who I often brought personal issues of meaning and vocation to.   I remember him saying, “The need does not necessitate the call.” In essence, he was saying that the existence of an issue in the world—be it social, political, humanitarian—does not mean a certain individual is called to engage it or help solve it. The unique ways in which we are each made informs how we are designed to be in the world, how we are meant to live and serve. And just as the need does not necessitate the call, the call does not necessitate the readiness. Or put differently, even when we are we called, it doesn’t mean that we are prepared to go. The call is not enough.”

Why Missionaries Nee to Know their own Wounds

The second article deals with wounds…and, indeed, the need to deal with our wounds.

From the Inside Out by Ryan Kuja:

And…Ryan has also written a book: https://www.amazon.com/Inside-Out-Reimagining-Mission-Recreating/dp/1532616392/ref=sr_1_fkmr0_2?ie=UTF8&qid=1527779893&sr=8-2-fkmr0&keywords=ryan+kuja