'Certain Man' in the Bible

[On their way] they met a certain man who had been crippled from birth. Every day he had been carried [by friends] and placed at the "Beautiful Gate" [as it was called] of the Temple [enclosure] where he begged for money from those entering the Temple.

But a certain man named Simon, from there in Samaria, who had been amazing the people with his magical powers, was claiming to be someone great.

And there he found a certain man named Aeneas who had been [confined to his] bed, paralyzed for eight years.

Now there was a certain man in Caesarea named Cornelius. He was [a military man] in charge of one hundred soldiers and belonged to the "battalion of Italy."

At Lystra they met a certain man sitting [on the street] who had a crippling handicap in his feet which he had suffered since birth. [It was so severe] he was never able to walk.

So, he left [this assembly of Jews] and went to the house of a certain man named Titius Justus, a worshiper of God, whose house was right next door to the synagogue.

[Here is what happened]: A certain manufacturer of silver objects named Demetrius, who made silver replicas of the temple of Artemis [i.e., a Greek goddess], brought much business to his workmen.