'Fearlessly' in the Bible
As they looked on Peter and John so fearlessly outspoken--and also discovered that they were illiterate persons, untrained in the schools--they were surprised; and now they recognized them as having been with Jesus.
And now, Lord, observe their threats [take them into account] and grant that Your bond-servants may declare Your message [of salvation] with great confidence,
Barnabas, however, came to his assistance. He brought Saul to the Apostles, and related to them how, on his journey, he had seen the Lord, and that the Lord had spoken to him, and how in Damascus he had fearlessly taught in the name of Jesus.
and speaking fearlessly in the name of the Lord. And he often talked with the Hellenists and had discussions with them.
So Paul and Barnabas stayed for a long time, speaking boldly and confidently for the Lord, who continued to testify to the word of His grace, granting that signs and wonders (attesting miracles) be done by them.
He began to speak out fearlessly in the synagogue, but when Priscilla and Aquila heard him, they took him aside and explained the way of God to him more accurately.