a ruler hath sinned: Under the term nasi:, that is, one preferred or elevated above others, from nasa:, to exalt, it is probable that any person is meant who held any kind of political dignity among the people; and it evidently means the head of a tribe as in Numbers 1:4, Numbers 1:16; Numbers 7:2. But the Rabbins generally understand it of the prince of the great sanhedrin, who, when they were under the regal form of government, was the king. A kid of the goats was the sacrifice in this case; and the rites were nearly the same as in the preceding, only the fat was burnt as that of the peace offering (Leviticus 4:26). Exodus 18:21; Numbers 16:2; 2 Samuel 21:1-3, 2 Samuel 24:10-17
and done: Leviticus 4:2, Leviticus 4:13