kafirize

Etymology

From kafir + -ize.

kafirize means To make or become kafir. Lexicurio rates it Rare gem — a strength score of 84 out of 100.

verb

To make or become kafir.
To accuse another person of being a heretic against Islam.“The practice of Islamists to kafirize their opponents (that is, to declare them unbelievers or pagans) further widens the gap between the radicals and the mainstream”