prŏpĭtĭātor, ōris, m. [propitio],
a propitiator (eccl. Lat.): habentes propitiatorem dominum nostrum Jesum Christum, Hier. Ep. 21, n. 2; Ambros. in Luc. prol. 7.
·noun One who propitiates or appeases. ...
Webster's Dictionary of the English Language