The term "evangelizer" refers to someone who spreads the gospel or promotes a particular cause. There are several synonyms to this word that depict the same meaning. One of the common synonyms is "missionary," which refers to a person who travels to different places to spread religious messages. Similarly, "preacher" is another synonym for evangelizer, as preachers are known for delivering sermons and spreading the word of God. Another synonym that can be used is "proselytizer," which refers to a person who tries to convert people to another religion or belief system. Lastly, "advocate" can also be used as a synonym for evangelizer as it refers to someone who promotes a particular cause or belief.