The Prophet Zechariah lost his voice.
Zechariah's temporary loss of speech is described in the Gospel of Luke (Luke 1:5-25). Zechariah, a priest, was visited by the angel Gabriel who informed him that his wife, Elizabeth, would conceive and bear a son (John the Baptist) in their old age. Zechariah doubted the angel's message due to their advanced age. As a result of his disbelief, Gabriel declared that Zechariah would be "speechless and unable to talk until the day these things occur."
This loss of voice served as a sign to Zechariah and those around him that the angel's words were true. It also allowed Zechariah to experience a period of enforced silence, during which he could reflect on the divine message he had received. This period of silence ultimately led to the fulfillment of prophecy and the birth of John the Baptist, who would prepare the way for the Messiah. Once John was born and Zechariah affirmed the child’s name, his speech returned.
In essence, Zechariah's temporary muteness highlights the importance of faith and obedience in the face of the divine. His experience underscores the power of God to fulfill his promises, even in seemingly impossible circumstances.