evangelize
ɪˈvan(d)ʒ(ə)lʌɪz
verb
convert or seek to convert (someone) to Christianity.
some small groups have been evangelized by Protestant missionaries
convert,proselytize,bring to God/Christ/Jesus,bring into the fold,redeem,save,make someone see the light,preach (to),seek/make converts (among),act as a missionary,crusade,campaign,win over,recruit,proselyte