Original sentence: There have been several cases in which an adult Scout leader or a Scout has been removed from the BSA or a Scouting unit for being an atheist, agnostic, or homosexual as a result of these policies
Edited sentence: There have been several cases in which an adult Scout leader or a Scout has been expelled from the BSA or a Scouting unit for being an atheist, agnostic, or homosexual as a result of these policies