Lewis Short
auxĭlĭātor (noun M) : id.
* A helper, assistant (post-Aug. and rare): litigantium,Quint. 12, 3, 2: haud inglorius,Tac. A. 6, 37: aegris auxiliator adest,Stat. S. 3, 4, 24: auxiliator tuus,Vulg. Deut. 33, 26: noster,ib. 2 Par. 32, 8: ejus,ib. Ezech. 30, 8 al.
Charlton T. Lewis, Charles Short, A Latin Dictionary