[adj] 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"
[v] set apart from others; "The dentist sequesters the tooth he is working on"
[v] select something or someone for a specific purpose; "The teacher assigned him to lead his classmates in the exercise"