set-apart (adj.)

1.being or feeling set or kept apart from others"she felt detached from the group" "could not remain the isolated figure he had been (Sherwood Anderson)" "thought of herself as alone and separated from the others" "had a set-apart feeling"

set apart (v.)

1.set apart from others"The dentist sequesters the tooth he is working on"

2.select something or someone for a specific purpose"The teacher assigned him to lead his classmates in the exercise"