Sometimes those who are dogmatic in rejecting trichotomy imply that the view of man as spirit, soul, and body is naive or symptomatic of a lack of higher education.
Consider Dr. Ken Boa, President of Reflections Ministries.
“Kenneth (Ken) Boa is engaged in a ministry of relational evangelism and discipleship, teaching, writing, and speaking. He holds a BS from Case Institute of Technology, a ThM from Dallas Theological Seminary, a PhD from New York University, and a DPhil from the University of Oxford in England. He leads four weekly Bible studies in the Atlanta area, including two men’s fellowships and one at Christ Church of Atlanta.”
In his exposition of Colossians, he teaches on “The New Self” in chapter 3.
In minutes 13-17 Dr. Boa explains the new self with the illustration from Hebrews 4:12. What the marrow is to the bone, the human spirit is to the soul. He agrees with the ontological distinction of spirit and soul.
Dr. Boa is the author of a dozen books, including Conformed to His Image: Biblical and Practical Approaches to Spiritual Formation (Zondervan).