Hypocrites stay behind
And when a group among them said, “O people of Yathrib, you cannot withstand this retreat!” Yet another faction sought permission from the Prophet, claiming, “Our homes are exposed,” though they were not. They only wished to flee.
33:13And when a party of them said: O folk of Yathrib! There is no stand (possible) for you, therefor turn back. And certain of them (even) sought permission of the Prophet, saying: Our homes lie open (to the enemy). And they lay not open. They but wished to flee.