I thought X evangelism is when you aren't paid, like with open source. If you are paid you're just a salesman.
Re:Oracle vs. PostgreSQL: First Glance
by NickNameNick on Tuesday May 05, 2020 @05:56AM
(#23078258)
I've seen 'Developer evangelist' as a job title.
> There is such a thing?
Tech evangelist is a common job title.