As used in this section and sections one hundred and thirty-five A and one hundred and thirty-five B the following words shall have the following meanings, unless the context clearly indicates otherwise:--
"Client", a person with whom a social worker has established a social worker-client relationship.
"Communications", includes conversations, correspondence, actions and occurrences regardless of the client's awareness of such conversations, correspondence, actions and occurrences and any records, memoranda or notes of the foregoing.
"Reasonable precautions", reasonable efforts to take one or more of the following actions as would be taken by a reasonably prudent social worker under the same or similar circumstances:
Mass. Gen. Laws ch. 112, § 135