noun
unauthorized practice of law; practising law without a license
Legal term referring to the act of providing legal services without a valid license, typically in violation of attorney regulations.
非弁活動は弁護士法で禁止されている。
Unauthorized practice of law is prohibited by the Attorney Act.
弁護士 is a licensed attorney, while 非弁活動 is the illegal act of practicing law without such a license.
Compound of 非 (hi, 'non-') + 弁 (ben, abbreviation of 弁護士 'lawyer') + 活動 (katsudō, 'activity').