Deacons have a crucial role in the life and the health of the local church, but their role is different from the elders’. The biblical role of deacons is to take care of the physical and logistical needs of the church so that the elders can concentrate on their primary calling.
For more on the role and responsibilities of Deacons, see this article from 9Marks. https://www.9marks.org/article/biblical-qualifications-and-responsibilities-deacons/
For more information on the office of Deacon, see our sermons from 1 Timothy below: