As a young man, he was a captive of Judah in Babylon - King Nebuchadnezzar - probably became a eunuch and was known as 'Belteshazzar. Righteous in God's eyes, he interpreted dreams of the King and became prominent in the kingdom. He served King Cyrus who succeeded Nebuchadnezzar and Belshazzar who followed Cyrus ending with Darius the Mede.
The chief diviner or magi for Nebuchadnezzar and prophet of God:
Daniel 4:9Expanded Bible (EXB)
9 I said, "Belteshazzar, you are the ·most important of all [L chief of] the ·fortune-tellers [diviners]. I know that ·the spirit of the holy gods [or a holy, divine spirit] is in you, so there is no ·secret [mystery] that is too ·hard for you to understand [difficult for you].
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It is not mentioned in The Bible.
Luke was a doctor a physician in the bible.
Samuel was a judge.
Haggai was a prophet in the Bible, not much is known about his occupation outside of his prophetic ministry.
Elimelech was an Israelite from Bethlehem who was described in the Bible as a wealthy landowner.
Elizabeth's husband in the Bible was Zechariah, a Jewish priest who served in the temple in Jerusalem.
Grain mercant
Abraham's father was named Terah, his occupation is unknown. What is known is that he and all his family, except for Abraham, was Pagan.
The Bible does not mention his occupation pre-flood, but after the deluge, Noah was involved in agricultural pursuits.
The Bible says Zacharias was a priest in the temple at Jerusalem.