Bar cochbar = most doubted that he was Messiah

 Sanhedrin (93b)Rabbi Alexandri says that the term hariḥo teaches that God burdened the Messiah with mitzvot and afflictions like millstones [reiḥayim]. Rava says that hariḥo teaches that the Messiah will smell [demoraḥ] and then judge on that basis, sensing who is right, as it is written: “And he shall neither judge after the sight of [lemareh] his eyes, nor decide after the hearing of his ears; and with righteousness shall he judge the poor, and decide equity for the meek of the earth” (Isaiah 11:3–4).

The Gemara relates: Bar Koziva, i.e., bar Kokheva, ruled for two and a half years. He said to the Sages: I am the Messiah. They said to him: With regard to the Messiah it is written that he is able to smell and judge, so let us see ourselves whether he, bar Kokheva, is able to smell and judge. Once they saw that he was not able to smell and judge, the gentiles killed him.