Fruit-Picker is a slur used to describe Hispanics in a derogatory way. The Mexicans who cross the border often pick fruit, usually for pennies an hour. Often, when it is time to give the illegal aliens their meager wages, the plantation owner calls the border patrol to send them back.
The word Fruit-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 Fruit-Picker, it is best to err on the side of caution and avoid using it in any situation.