For righteousness to be on a person is an idiom that means the person is responsible for that righteousness. Alternate translation: "The one who acts rightly will be responsible for his own righteousness" (See: [[rc://en/ta/man/jit/figs-idiom]])
For wickedness to be on a person is an idiom that means the person is responsible for that wickedness. Alternate translation: "the wicked person will be responsible for his own wickedness" (See: [[rc://en/ta/man/jit/figs-idiom]])