evangelizer

Example:As a proclaimer of the gospel, he travels to various cities to spread the word.

Definition:A person who publicly and actively promotes or advocates a cause, belief, or principle.

Example:Though his views may offend some, his commitment as an agonizer is admirable.

Definition:A zealous or enthusiastic advocate, especially one who is eager to spread a particular belief or doctrine.

Example:The missionary went to rural areas to spread her faith with gentle and compassionate evangelism.

Definition:A person sent by a church or religious organization to propagate the religion in a foreign country or community, typically by preaching and teaching.