Trying very very hard to get someone who doesn't belong to your church to join it, probably to the point of being obnoxious. The verb "proselytize" applies to anyone of any religious faith who tries actively to persuade another person to his or her beliefs. "Evangelism" on the other hand only applies to Christian proselytization (It comes from "evangel", a synonym for "gospel", the story of Jesus).
Proselytizing means attempting to convert (as in religion). Proselytizing is illegal in some Muslim countries.
Enthusiastic means having or showing great excitement and interest.
energetic, enthusiastic
panget sya
Lighthouse Evangelism was created in 1978.
Power Evangelism was created in 1986.
Something to do with being enthusiastic
This means sharing their gospel with unbelievers. It can mean missions, both local missions and foreign.
Fervent means enthusiastic or passionate about something.
The population of Child Evangelism Fellowship is 2,000.
Child Evangelism Fellowship was created in 1937.
If you mean Christian Mission, the word you may be looking for is Evangelism: the spreading of the Gospel.