Lay counselors are people who have undergone some training and are under supervision by a professional counselor.

一般辅导员是指那些受过一些训练并在专业辅导员的指导下工作的人。

youdao

Professional and meticulous service, not only from social workers' constant summary and improvement, but also from the strict supervision of social work training system.

专业、无微不至的服务，不仅源于社工们的不断总结、不断提高，也来自于日常、严格的社工督导培训体制。

youdao

Not all staff training was up-to-date and systems for professional supervision or appraisal were inadequate.

BBC: Berkshire