signaller

1. The monitoring on the performance of the sub-contractors was also inadequate, resulting in the employment of untrained and inexperienced riggers and signaller in rigging and lifting operations.
   在无充分监察分判商表现之情况下，引致在索具装配及起重操作过程中雇用了未受训练及缺乏经验的操作员及讯号员。
2. Of course that sort of thing was not convenient, so we sent a shell and blew the signaller all to pieces.
   这当然很不好，我们于是发炮把那信号员炸得粉身碎骨。

noun

1. someone who communicates by signals

   Synonym:    signaler