revert

verb

• 1 [no object] (revert to) return to (a previous state, practice, topic, etc.):he reverted to his native language he ignored her words by reverting to the former subject
• convert to (the Islamic faith): I reverted to Islam five years ago
• Biology return to (a former or ancestral type):it is impossible that a fishlike mammal will actually revert to being a true fish
• Law (of property) return to (the original owner) by reversion: in the event of the building ceasing to become a school, ownership would revert to the Church

• 2 [with object] archaic turn (one’s eyes or steps) back:on reverting our eyes, every step presented some new and admirable scene

noun

• a person who has converted to the Islamic faith.