televangelist

noun

1. an evangelist who regularly conducts religious services on television.

noun

1. US an evangelical preacher who appears regularly on television, preaching the gospel and appealing for donations from viewers

n.1973, from tele(vision) + evangelist. The earliest record of the word in OED is a reference to Rex Humbard in a “New York Times” article of July 26, 1973 (television evangelist is from 1958).