In those [times], the myriads of the crowd being gathered together, so that they trod one on another, he began to say to his disciples first, Beware of the leaven of the Pharisees, which is hypocrisy;
There is an emphatic article here, impossible to translate into English: '[you who are] the little flock.' It is the character Christ gives to them as attached to him in the midst of the world.
'Bondmen' is doubtful. This would make 'those' more emphatic.