Lewis & Short

exactor, ōris, m. [id.; cf. also exactio].

  1. * I. A driver-out, expeller: regum (Junii Valeriique), Liv. 9, 17, 11.
  2. II. A demander, exactor (cf.: redemptor, manceps, magister; also: publicanus, portitor).
    1. A. In gen.: operis, i. e. an overseer, superintendent, enforcer of any kind of labor, Col. 3, 13, 10; cf. Liv. 45, 37; so, assiduus studiorum, Quint. 1, 3, 14; cf.: asper recte loquendi, id. 1, 7, 34: molestissimus sermonis Latini, Suet. Gramm. 22: supplicii, an executioner, Liv. 2, 5; cf. Tac. A. 11, 37, and 3, 14 fin.; cf. Vulg. Luc. 12, 58.
    2. B. In partic., a collector of taxes, a tax gatherer, * Caes. B. C. 3, 32, 4; Liv. 28, 25, 9; Firm. 4, 3 al.; Dig. 50, 4, 18, § 8; or of other debts due the state, ib. 22, 1, 33. (Not in Cic.; but cf. exactio.)