What is "assailer"

Usage examples of "assailer".

The hardihood of the assailer subdues the assailed, who usually only wishes to be conquered, and nearly always thanks you for your victory.

Then a sheet of livid flame blazed along the summit of the low wall, and a second volley of musketry rang out, succeeded by cries and screams from the assailed and the shouts of the assailers who were now pouring into the garden through the battered doorway and over the wall.