televangelist
From Longman Dictionary of Contemporary Englishtelevangelisttel‧e‧van‧ge‧list /ˌtelɪˈvændʒəlɪst/ noun [countable] someone who appears regularly on television to try to persuade people to become Christians, and often also asks people to give them money —televangelism noun [uncountable]Examples from the Corpustelevangelist• At that time the statistics were spectacular, even for a Pentecostal televangelist.Origin televangelist (1900-2000) television + evangelist