Zealot font here refers to the font used on the cover artwork of Zealot: The Life and Times of Jesus of Nazareth, which is a book written by Reza Aslan.
The font used for the book title on the cover is probably FF Din Condensed Medium designed by Albert Jan Pool in 1995. The font is a commercial one and you can view more details about it here.
Download Din Font
The Din font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.