Possible Clues:

• Evangelist affable? Not that interested
• New walker, not half glum, lacking enthusiasm
• Not enthused by abstract mural surrounding gardens
• Cool evangelist, friendly
• Tepid conflict linked to first of manuscripts overseen by gospel writer
• Rather cool, apostle with power and influence
• Evangelist fighting against atheism ultimately becomes half-hearted
• Cool book on fighting millions
• Man with weapon is half-hearted
• Not very hot