person in the same line of business; people in the same trade; the trade; the profession
会議で同業者と名刺交換をした。
At the conference, I exchanged business cards with a peer.
同業者同士で情報交換のための団体を作る。
Peers form associations to exchange information.
同業者の動向を常に注視しておくべきだ。
We should always keep a close eye on what our peers are doing.