through glory and dishonor, through slander and praise; regarded as impostors, and yet true;

In other words, in Christ God was reconciling the world to himself, not counting people’s trespasses against them, and he has given us the message of reconciliation.

Therefore we are ambassadors for Christ, as though God were making His plea through us. We plead with you on Christ’s behalf, “Be reconciled to God!”

because I know your eagerness to help. I keep boasting to the Macedonians about this eagerness of yours, that Achaia has been ready to give since last year, and your zeal to participate has stirred up most of them.