'Ministry' in the Bible

exactly as they were handed down to us by those [with personal experience] who from the beginning [of Christ’s ministry] were eyewitnesses and ministers of the word [that is, of the teaching concerning salvation through faith in Christ],

When the days of his ministry were completed, he went back home.

The child continued to grow and to become strong in spirit, and he lived in the deserts until the day of his public appearance to Israel [as John the Baptist, the forerunner of the Messiah].

As He began His ministry, Jesus was about 30 years old and was thought to be theson of Joseph, son of Heli,