Moses continues to speak to the people of Israel as if they were one man, so all instances of "you" and "your" are singular. (See: [[rc://en/ta/man/jit/figs-you]])
This can be stated in a positive form. Alternate translation: "Yahweh will consider him guilty" or "Yahweh will punish him" (See: [[rc://en/ta/man/jit/figs-doublenegatives]])