As a Noun:
1. The teaching of Christianity, especially to people who are not Christians, stressing evangelical beliefs. English = evangelism.
2. A person who travels from place to place in order to try to convert people to Christianity. English = evangelist.
As a Verb or Adjective:
1. Of Christians and Christian beliefs, to emphasise the importance of the four gospels and the need for personal belief in Christ in order to obtain salvation. English = (be) evangelical.