What does Après avoir donné ma monnaie en passant à des personnes aveugles et asphyxiées par la misère mean?

Question

Après avoir donné ma monnaie en passant à des personnes aveugles et asphyxiées par la misère,

How to translate en passant here?

en passant= walking by, passing by

What does passing by mean?

Answer 1

After having given my spare change to blind people strangled by misery ... While Passing by...

1. It's hard to render in English, but it means basically as you were passing by, you gave your spare change to blind and miserable people.
2. Hope this helps!