A person of the same status or level such as a coworker or fellow student. A peer group consists of several people with similar characteristics such as age, educational level and profession.
Susan outperformed her peers on the university entrance examination.
Contemporary (noun)
A peer; a person in the same situation, time and place. (Often used in a historical sense.)
Ted, like most of his contemporaries, worked part-time while attending University.
Colleague (noun)
A coworker; someone you work with. (Often used in office and university sessions.)
Professor Evans disagreed with his colleagues about the results of the experiment.
Counterpart (noun)
A person one works with that has the same title or job responsibility in another division of the company or in a separate company.
James developed some accounting guidelines and sent them to his counterparts in the US and Germany for their input.
Subordinate (noun or adjective)
A subordinate is an employee who reports to another employee who acts as a manager (superior.) Sometimes called underlings.
Christine, the manager, has eleven subordinates that report to her.