Definition of "whoso"

Whoso therefore shall swear by the altar, sweareth by it, and by all things thereon. And whoso shall swear by the temple, sweareth by it, and by him that dwelleth therein.

1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Matthew 23:20-21

And whoso findeth by the seaBlown dust of bones will hardly sayIf this were that Aholibah.

1866, Algernon Swinburne, Aholibah, lines 148-150

Whoso raises his hand against you must answer to my sword.

1898, Andrew Lang, Arabian Nights

And whoso kisseth those apples high, Who kisseth once is a king, Who kisseth twice shall never die, Who kisseth thrice--oh, were it I.

1896, Richard Le Gallienne, The Quest of the Golden Girl

Whoso would be a man would be a nonconformist.

1963, Martin Luther King, quoting Ralph Waldo Emerson, "Self-Reliance", quoted in "Strength to Love"