What was Daniel primarily known for during his time in Babylon?

Daniel is primarily known for serving in administrative roles during his time in Babylon. He was taken captive during the Babylonian exile and, despite his situation, rose to prominence within the Babylonian and later the Persian empires due to his exceptional skills, wisdom, and ability to interpret dreams and visions.

His roles involved significant responsibilities; he interpreted King Nebuchadnezzar's dreams, which led to his appointment in a high position in the king's court. Throughout the narrative, Daniel is depicted as someone who navigates the complexities of a foreign government while remaining steadfast in his faith. His administrative capabilities are showcased through his influence over various kings and his strategic insights, particularly in advising and guiding the rulers of Babylon.

The other choices do not accurately reflect Daniel’s primary contributions during his time in Babylon. He was not a military leader directing armies, nor was he primarily focused on training other prophets, which is not prominently featured in the text. Additionally, there is no record of him being involved in building temples, a role more associated with figures like Solomon or Zerubbabel in Jewish history. Daniel's legacy is more centered on his role as a wise counselor and administrator in a foreign land, maintaining his identity and integrity amidst challenges.