Both Uses

contrast
in
Ender's Game
(Edited)

A few days later Locke got picked up for a column in a New England newsnet, specifically to provide a contrasting view for their popular column from Demosthenes.
p. 123.8 *

contrasting = differing
At school, she once nearly got them in trouble, when her history teacher assigned the class to write a paper contrasting the views of Demosthenes and Locke as expressed in two of their early columns.
p. 188.4 *

contrasting = pointing to differences between

Definitions:

(1) (contrast as in: contrast their writing styles)
point to differences between; or compare to show differences
(2) (contrast as in: there is a contrast)
a difference -- especially a notable difference; or the side-x-side arrangement of things that draws attention to an unmissable difference
(3) (contrast as in: sharpen the picture contrast)
the difference between tones of an image -- as in a photo or video -- such as the quality of brightness or the intensity of shades or colors
(4) (meaning too rare to warrant focus)