Lewis Short
exactor (noun M) : id.; cf. also exactio. *
* A driver-out, expeller: regum (Junii Valeriique),Liv. 9, 17, 11.
* A demander, exactor (cf.: redemptor, manceps, magister; also: publicanus, portitor).
* 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.
* 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, ยง 8; or of other debts due the state,ib. 22, 1, 33. (Not in Cic.; but cf. exactio.)
Charlton T. Lewis, Charles Short, A Latin Dictionary