» For the form of marketing, see evangelism marketing and technology evangelist Evangelism's the practice of attempting to convert people to a religion. The term's used most often in reference to Christianity and Islam, since those two religions mandate that their followers make efforts to recruit as many people as possible into their faith. However, the term may be used for the practice of attempting to convert people to any religion, even if that religion doesn't specifically require that its… (More on Evangelize)