A recent update has made the Bodyguard achievement unobtainable on the Nintendo Switch platform. No one has unlocked it since October 11th. You can view some discussion, as well as the most recent unlocks, over at the TrueAchievements website. https://www.trueachievements.com/viewcomment.aspx?commentid=1192182#vch

Multiple players (myself included) have tried to get it with a pumpkin, carved pumpkin and a jackolantern without success.