noun
evangelist; evangelistic worker
Refers to a person who spreads the Christian gospel, often in a missionary or preaching role.
彼は熱心な伝道者として知られている。
He is known as a zealous evangelist.
その伝道者は村々を回って福音を伝えた。
The evangelist traveled from village to village spreading the gospel.
伝道師 is a near-synonym, but 伝道者 is more common and neutral; 伝道師 can sound slightly more formal or institutional.
Compound of 伝道 (でんどう, 'evangelism, preaching') + 者 (しゃ, 'person'). The term is a straightforward Sino-Japanese formation.