Genesis 18:22

And the men turned their faces from thence,.... From the place to which Abraham brought them on; these were only two of them, for the third continued with Abraham:

and went towards Sodom; and are the two angels said to come thither at evening, Genesis 19:1:

but Abraham stood yet before the Lord; before the third person, whom Abraham now began to know more clearly; he stood before him with all reverence and humility, to hear what he had further to say to him, as well as to say something to him himself; he stood "yet", he continued to stand after the departure of the two angels that were gone to Sodom. Onkelos and Jonathan paraphrase it,

"he ministered in prayer before the Lord.''