noun, noun or participle which takes 'suru', intransitive verb
support; participation; complicity
Often implies taking part in something questionable or illegal, such as aiding a crime or supporting a dubious scheme. Can also be used neutrally for lending support to a cause or person.
彼は犯罪に加担したとして逮捕された。
He was arrested for complicity in the crime.
その政治家は不正な取引に加担していた。
The politician was involved in the fraudulent deal.
彼女は友人の計画に喜んで加担した。
She willingly lent her support to her friend's plan.