Commendátor, pen. prod. Verb. He that commendeth, prayseth or hoasteth: he that setteth forth.
Lewis and Short: Latin dictionary
commendātor, ōris, m. [id.], one who commends, a commender (in post-Aug. prose; cf., however, commendatrix): fautor et commendator, Plin. Ep. 6, 23, 4; Vop. Prob. 2; Symm. Ep. 1, 40 al.