practitioner

作为一名法律从业者，她处理复杂案件。

As a legal ___practitioner, she handles complex cases.

他在当地诊所担任医学从业者。

He works as a medical ___practitioner in a local clinic.

你应该咨询合格的执业医师寻求建议。

You should consult a qualified medical ___practitioner for advice.