The leader is suspected of having sexually abused five young people, all of whom are in their teens.
Among the criminal classifications are rape of children and the purchase of sexual acts.
According to prosecutor Jenna Sourander, the crimes were committed in 2020 and 2021.
The man must have been active in a sports club in the county and thus come into contact with the young people.
During the arrest negotiations, the man denied the crime and contested the arrest.