Carpetbagger is a slur used to describe Americans in a derogatory way. During the post-Civil War reconstruction era, businessmen from the North moved to the South with their possessions in bags made out of cheap carpets.
The word Carpetbagger is a racial slur that has been used historically to degrade and dehumanize americans. The word is still used by some people for this purpose, and it is seen as offensive and hurtful to americans. If you are unsure about whether or not it is appropriate to use the word Carpetbagger, it is best to err on the side of caution and avoid using it in any situation.