One who captures.

1

1820.  Hoyle’s Games Impr., 357. The capturer in that case is forfeited or huffed.

2

1829.  [J. L. Knapp], Jrnl. Naturalist, 145. A very skilful capturer of these animals.

3

1884.  O’Donovan, Story of Merv, i. 17. The capturer of Schamyl.

4