Posted: Jul 17, 2016 11:39 pm
verb: evangelise
convert or seek to convert (someone) to Christianity.
"some small groups have been evangelized by Protestant missionaries"
synonyms: convert, proselytize, bring to God/Christ/Jesus, bring into the fold, redeem, save, make someone change their beliefs/mind, make someone see the light, spread the gospel/faith/word (to), preach (to), seek/make converts (among), act as a missionary; More
preach the gospel.
"the Church has a mission to evangelize and declare the faith"
Not the right word then. Just stick with "Promote Atheism".