convert
verb
change the form, character, or function of something.
modernization has converted the country from a primitive society to a near-industrial one
change,turn,transform,metamorphose,transfigure,transmute,translate,transmogrify,permute,adapt,rework,recast,reshape,refashion,remodel,remould,rehash
noun
a person who has been persuaded to change their religious faith or other belief.
he is a recent convert to the Church
proselyte,neophyte,new believer,catechumen