Meaning

noun someone who helps to gather the harvest

noun Death personified as an old man or a skeleton with a scythe

noun farm machine that gathers a food crop from the fields

originFrom Middle English reper, repare, repere, *riper (the last, attested only in surnames Ryper, Riper, etc.), from Old English rīpere (“reaper”), equivalent to reap + -er.

Etymology from Wiktionary, CC BY-SA 3.0