Some hospitals maintain a roster of patient advocate volunteers.
Ketchup is a kind of social to-do list, which offers an easy platform from which to propose and maintain a roster of the activities that you'd like to plan with your friends.
After reports surfaced of North Korean boats kidnapping people from Japanese beaches, Japan's Self-Defense Forces, as its military is called, starting maintaining a roster of suspicious North Korean boats.
It is an open secret that many Chinese officials maintain a roster of mistresses as a sign of their prowess.
These findings argue in favor of maintaining a roster of regular, seronegative donors to save numbers of blood units.
Look at production companies who write production music for corporations, book publishers who maintain a roster of authors needing vocals on their children's books, etc, and various music production houses.
Only Decca among the major companies had maintained a strong roster of black performers, headed by the phenomenally successful Louis Jordan and the Tympany Five.
In the late 1980s, Ruthless maintained a small roster of artists, headlined by N.W.A., the D.O.C., and Above the Law.
The revival, which launched last year with Neil Patrick Harris and walked away with four Tony Awards, has maintained a rotating roster of stars since Harris left, bringing in actors including Andrew Rannells, Michael C. Hall, original star John Cameron Mitchell and Criss for stints in the show.
Throughout the 1930s, steady engagements at the Savoy Ballroom in Harlem helped Webb maintain a stable roster of band personnel and develop ensemble discipline.
