timekeeper
nounOne who records time, as.
nounOne who keeps track of elapsed time in a sporting event.
nounOne who keeps records of the hours worked by employees.
nounA device for keeping time; a timepiece.
nounOne who or that which marks, measures, or records time.
nounA clock, watch, or other chronometer; a timepiece.
nounA person who keeps, marks, regulates, or determines the time.
nounA person who keeps a record of the time spent by workmen at their work.
nounOne who gives the time for the departure of conveyances.
nounOne who marks the time in musical performances.