What is the origin of the name Gerber?

garber

1. English: occupational name for a reaper or harvester, or for someone who collected wheatsheaves owed in rent, from an agent derivative of Middle English garbe 'wheatsheaf' (see Garbe).

2. North German: from a personal name composed of geri, gari 'spear' + berht 'bright', 'famous'.

3. North German form of Gerber.

4. Jewish (Ashkenazic): variant of Gerber, from Yiddish garber.