Berry Picker is a slur used to describe Hispanics in a derogatory way. Refers to Hispanics who would work berry fields in California, specifically illegal immigrants, as their employer didn't have to pay them as much.
The word Berry Picker is a racial slur that has been used historically to degrade and dehumanize hispanics. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to hispanics. If you are unsure about whether or not it is appropriate to use the word Berry Picker, it is best to err on the side of caution and avoid using it in any situation.