St. Daniel is one of the four greater prophets, the others are Ezekiel,
Isaiah and Jeremiah. The Book of Daniel tells how a Jewish captive Daniel
rose to a high position in the Babylonian court thanks to his ability to
interpret dreams. Daniel is also a personification of Justice. One of the
most famous episodes of his legend is that of Daniel in the lion's den
(6:2-29). Jealous of the favor Daniel enjoyed with the king, some courtiers
accused him of not worshipping the king in his prayers, which was the law.
Daniel worshiped only God and thus violated the king's edict. He
was thrown into a den with lions. But the Lord sent an angel, who shut
the lions' mouths. The king, who loved Daniel, was very glad and ordered
the accusers to be put into the den, where they were immediately torn into
pieces.
See: Peter Paul Rubens Daniel
in the Lions' Den.