# this man
This refers to Jesus.
# like a man who
"saying that he"
# I, having questioned him before you
"I have questioned Jesus in your presence, and." It is implied that they were witnesses to the proceedings. Alternate translation: "I have questioned Jesus with you here as witnesses, and" (See: [[rc://en/ta/man/translate/figs-explicit]])
# find no fault in this man
"do not think that he is guilty"