Definition of roster:
s, usually for an organisation of some kind such as military officer
s and enlist
ed personnel enrolled
in a particular unit
; a muster roll
; or a sports team, with the names of players who are eligible to be placed in the lineup for a particular game; a list of the job
s to be done by member
s of an organisation and often with the date/time that they are expected to do them
"the secretary has produced a new cleaning roster for the Church over the remainder of the year."
the act of placing a name on a roster
"I have rostered you for cleaning duties on the first Monday of each month."