JMNT(i)
2 And still, the chief (head; ranking) priests and the scribes (scholars; theologians) kept on trying to find how they could take Him up (= assassinate Him) – you see they were still fearing the people.
3 Now an adversary (or: an opposing purpose or attitude) entered into Judah (or: Judas) – the man normally being called Iscariot, being [a member] of the number of the twelve.