peer 2 (pîr)
n.
1. A person who has equal standing with another or others, as in rank, class, or age: children who are easily influenced by their peers.
2.
a. A nobleman.
b. A man who holds a peerage by descent or appointment.
3. A computer participating in a peer-to-peer network.
4. Archaic A companion; a fellow: "To stray away into these forests drear, / Alone, without a peer" (John Keats).