cohort

Short definition from Wiktionary

Noun

1. 1
   A group of people supporting the same thing or person.
2. 2
   A demographic grouping of people, especially those in a defined age group, or having a common characteristic.
3. 3
   Any division of a Roman legion, normally of about 500 or 600 men (equalling about six centuries).
4. 4
   An accomplice; abettor; associate.
5. 5
   Any band or body of warriors.
6. 6
   A natural group of orders of organisms, less comprehensive than a class.
7. 7
   A colleague.
8. 8
   A set of individuals in a program, especially when compared to previous sets of individuals within the same program.
9. 9
   A fan of American author Colleen Hoover (born 1979).

Verb

1. 1
   To associate with such a group.