you should have therefore deposited my money in the bank [so] when I returned, [at least] I would have received my own money back, with interest.

then why did you not deposit my money in the bank? [Then] when I returned I could have withdrawn [the original sum of money] plus interest.'

Then, all of them [Note: This "all" could refer to the Greeks, the Jews or the Roman officers. Since the text does not specify, it seems most reasonable to suggest it was the Romans] grabbed Sosthenes, the leader of the synagogue, and beat him in front of the court of justice. But Gallio showed no interest in the whole affair.

Certain people are showing quite an interest in you, but it is not for your benefit. Instead, they are trying to separate you [from me], in hope that you will seek them out [for help].

But you have followed [Note: These words mean "to observe closely, have a keen interest in"] my teaching, conduct, purpose, faith, patience, love, perseverance,