Lewis & Short

incensor, ōris, m. [incendo], one who kindles or sets fire to (post-class.).

  1. I. Lit.: messium, Dig. 48, 19, 16, § 9; Paul. Sent. 5, 20; Mos. et Rom. Leg. Coll. 12, 3, 2: specularum, i. e. who kindles beacons, App. de Mundo, p. 69.
  2. II. Trop., an inciter, instigator: turbarum, Amm. 31, 9, 4.