Evangelize (verb)

1. To convert or attempt to convert to Christianity, especially by public preaching.
2. To spread or promote (an idea or cause) with enthusiasm and often with little regard for impartiality or accuracy.

Origin:

Late middle english: via old french from ecclesiastical latin evangelizare, from greek euangelizesthai, from euangelos "bringing good news", from eu "good" + angelos "messenger".

Examples:

1. He traveled around the country to evangelize and convert people to Christianity.
2. The church has sent out missionaries to evangelize in remote areas.
3. He has been trying to evangelize the company's new product to potential customers.
4. Many people are trying to evangelize their political views on social media.
5. The company tried to evangelize their new technology to the public but it didn't catch on.