overseer

overseer
/ˈəuvəsɪə(r); `ovɚˌsɪr/ n
person whose job is to take charge of work and see that it is properly done 监工; 监督者
    the production overseer 生产监督
    The overseer was explaining the job to young trainees. 监工向年轻的实习工讲解工作情况.

牛津英汉双解词典