[5] Arseneau is a farmer and member of the Ferme Terre Partagée workers’ cooperative, a farm that produces organic fruit and vegetables and raises animals humanely, and which received an award in 2018 from RDÉE Canada (Réseau de développement économique et d’employabilité) in the young entrepreneur category.
He has also taught at École W.-F.-Boisvert, in Rogersville, and contributed to implementing a philosophy program for children in kindergarten to Grade 4 classes, in cooperation with the Université de Moncton.
[5] He previously chaired the Rogersville Local Service District Advisory Committee and was President of the Acadian Society of New Brunswick (SANB).
He has served on the boards of the Kent Regional Service Commission, the Société nationale de l’Acadie (SNA), the Fédération des communautés francophones et acadienne du Canada (FCFA), and the Rogersville Cooperative.
Arseneau was the Green Party's critic in the following areas: developing and strengthening communities; food sovereignty; fiscal, economic, and social justice.