fervent

characterized by intense emotion

Hot; glowing; boiling; burning; as, a fervent summer.

Latin 'ferventem' - boiling

“He deals with young and fervent minds, that require a ceremony to keep them fast--yes, dear, and women more than others do.”

— George Meredith, Complete Project Gutenberg Works of George Meredith

“On 24 January, his portrait was unveiled in the Main Hall of the museum by Bill Bailey, a fervent admirer."Alfred Russel Wallace, the forgotten man of evolution, gets his moment" The Guardian.”