Review of ‘A Missional Orthodoxy’ by Gary Tyra

Unknown Gary Tyra, A Missional Orthodoxy: Theology and Ministry in a Post-Christian Context (Downers Grove, IL: IVP Academic, 2013). Paperback / Kindle 

According to research by The Pew Forum on Religion and Public Life in 2012, from 2007 to 2012, the percentage of Americans identifying themselves as Christians declined by 5 points, from 78 to 73. By contrast, the percentage of Americans identifying themselves as having no religious affiliation increased by 4.3 points, from 15.3 to 19.6. The so-called “nones” described their religious preference as atheist, agnostic, or “nothing in particular.” In contrast to “Christian” America, American “nones” are tend to be younger and more political liberal.

The decline of Christian affiliation, the rise of religious non-affiliation, and the attendant shift in political values constitutes a missiological challenge for evangelical Christians. How do we evangelize and disciple in a culture that is increasingly post-Christian? Gary Tyra sets out to answer precisely that question in his new book, A Missional Orthodoxy: Theology and Ministry in a Post-Christian Context.

Tyra is associate professor of biblical and practical theology at Vanguard University in Costa Mesa, California, and an Assemblies of God minister. (Full disclosure: He is also a personal friend and an occasional contributor to Enrichment, a journal for AG ministers that I edit.) His previous books include The Holy Spirit in Mission, Christ’s Empowering Presence, and Defeating Pharisaism.

For Tyra, answering the missiological challenge of post-Christian America requires fidelity to two biblical imperatives: (1) “to contend for the faith that was once for all entrusted to God’s holy people” (Jude 3) and (2) to “become all things too people so that by all possible means I might save some” (1 Corinthians 9:22). These imperatives are reflected in the words orthodoxy and missional in the book’s title.

Although a Pentecostal, Tyra argues that fidelity to these imperatives ought to characterize evangelical Christianity generally, not just Pentecostalism. He develops this argument in dialogue with the writings of liberal Protestant Marcus Born and emerging evangelical Brian McLaren. He surveys their proposals on eight theological topics—Bible, God, Jesus Christ, Holy Spirit, human beings, salvation, church, and eschatology—and concludes that they, in varying degrees, sacrifice the orthodox imperative to the missional imperative. In other words, so concerned are they to make Christianity relevant to a postmodern generation, that they—especially Borg–reformulate doctrines in ways that conflict with both the Bible and the Great Tradition of Nicene orthodoxy.

This doesn’t mean that Tyra is unsympathetic to their critiques, however. Indeed, Tyra concedes that they are correct in arguing that evangelical Christianity has sometimes sacrificed missional relevance to the demands of an arid orthodoxy. What makes Tyra’s missional orthodoxy such an attractive proposal is that it balances the imperatives of orthodoxy and mission in a way that steers between the Scylla of liberalism and Charybdis of fundamentalism.

Take, for example, the topic of Christology. Whereas liberalism tends to emphasize the humanity of Christ at the expense of (even in the rejection of) his divinity, fundamentalism tends to emphasize the divinity of Christ at the expense of his humanity. According to Tyra, missional orthodoxy exposes this as a false antithesis, for the Bible teaches and the Great Tradition codifies that Jesus is fully divine and fully human in one person.

Or take the topic of salvation. Whereas fundamentalism tends to emphasize the cross as the atoning sacrifice by which God forgives our sins, liberalism tends to emphasize the cross as a moral example of self-giving love. Again, this is a false antithesis, for the cross is both of these things. The implication of this is that Christian mission includes both evangelism and social action.

Though I have simplified Tyra’s well-thought-out argument on these two topics for illustrative purposes, I think Tyra is basically correct in identifying the false antitheses that so often plague discussions of Christian mission generally and post-Christian mission specifically. Missional orthodoxy has the capacity “to be faithful to both the biblical text and the missional task,” as Tyra puts it.

In a book of this size, covering as much theological ground as it does, it is inevitable that readers will disagree with this or that conclusion drawn by Tyra. Nonetheless, on the whole, the proposal is so well-grounded in the Bible that evangelicals of many stripes can unite under the banner of missional orthodoxy, which I take it was part of Tyra’s hope for the book.

I only wish that Tyra had dialogued with representatives of the other side of the spectrum than Borg and McLaren. If, as Tyra contends, liberalism and fundamentalism are equal but opposite errors, it would be helpful to line them up side by side for purposes of contrast and comparison. My guess is that Tyra didn’t do this because at nearly 400 pages, A Missional Orthodoxy is already a long book, and because he had previously criticized fundamentalism in Defeating Pharisaism.

(For members of my Assemblies of God tribe, I should note that what Tyra and I mean by the word fundamentalism is different from what the word fundamental means in our Statement of Fundamental Truths.)

I heartily recommend A Missional Orthodoxy to evangelical pastors—especially younger colleagues—who are struggling with the challenge of ministering within an increasingly post-Christian society. I think it would make an excellent textbook in an undergraduate Christian theology class. And while I would love to see it read by laypersons in Sunday school classes and small groups, my fear is that its length will be daunting for the average parishioner. Nevertheless, as Jesus said in an entirely different context, they who endure to the end will be saved. Or at least rendered more missionally orthodox.

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