Possible meanings are 1) "if I judge people" or 2) "whenever I judge people"
# my judgment is true
Possible meanings are 1) "my judgment will be right" or 2) "my judgment is right."
# I am not alone, but I am with the Father who sent me
Jesus, the Son of God, has authority because of his special relationship with his Father. (See: [[rc://en/ta/man/translate/guidelines-sonofgodprinciples]])
The implied information is that Jesus is not alone in his judgment. Alternate translation: "I am not alone in how I judge" or "I do not judge alone" (See: [[rc://en/ta/man/translate/figs-explicit]])
This is an important title for God. If your language must state whose Father this is, you could say "my Father" since Jesus switches to that in the following verses. (See: [[rc://en/ta/man/translate/guidelines-sonofgodprinciples]])