associate pastor; curate
A Christian clerical title for a pastor who assists the senior pastor; common in Protestant contexts. Curate is the equivalent in Anglican/Episcopal settings.
He serves as the associate pastor of that church.
The curate delivered the sermon at the Sunday service.
Compound of 副 (vice-, assistant) and 牧師 (pastor, minister). 牧師 is a Meiji-era coined term for Christian clergy.