Question: Who built the second temple in the bible?
Disambiguated questions and answers: question: Who built the second temple in the bible as worker originally?
Who built the second temple in the bible as governor originally?
Who built the second temple in the bible as king completely?
answer: Jewish exile groups
Zerubbabel
Herod
Herod I
Herod the Great
Natural Questions answer: Jewish exiles returned to Jerusalem (from the Wikipedia article "Second Temple")