compeer
/kɒmˈpɪə(r)/noun
1- formal a person of equal rank, status, or ability〈正式〉（级别、地位或能力）相等的人。
1.1
- archaic a companion or associate〈古〉同伴; 同事。
词源
late Middle English: from Old French comper, from com- 'with' + per, from Latin par 'equal' （compare with PEER2）.