Use 'evangelize' to discuss spreading religious beliefs, often with a focus on converting others. The church group aimed to evangelize their faith throughout the local area.
Pro Tip 2/3
Active Effort
Implying active and possibly persistent efforts to convince others about a faith. They would regularly go out to evangelize door to door.
Pro Tip 3/3
Cultural Sensitivity
Be aware that the term can be sensitive or controversial due to historical missionary activities. Some avoid using 'evangelize' due to its colonial connotations.