the.com/evangelist
A believer so loud the product hires them for it.
means Someone who passionately promotes a cause, brand, or technology, spreading the word like it's sacred.
from From the Greek euangelistes, bearer of good news, originally the four Gospel writers; Silicon Valley borrowed the zeal and dropped the robes.
Job titleTech firms employ literal Developer Evangelists today.
Gospel rootEuangelion meant good message before it meant scripture.
Apple coined itGuy Kawasaki popularized tech evangelism in the 1980s.