#Lord

This is a title of respect. Possible meanings are 1) Abraham knew that one of these men was God, or 2) Abraham knew that these men came on behalf of God.

#in your sight

Abraham is speaking to one of the men. (See: [[:en:ta:vol1:translate:figs_you]])

#do not pass by

"please do not keep on going"

#your servant

Abraham refers to himself this way in order to show respect to his guest. AT: "me."

#Let a little water be brought

This can be active. AT: "Let me bring you some water" or "My servant will bring you some water." (See: [[:en:ta:vol2:translate:figs_activepassive]])

#a little water ... a little food

Saying "little" was a polite way of showing generosity. Abraham would give them more than enough water and food. AT: "some water ... some food."

#wash your feet

This custom helped tired travelers to refresh themselves after walking long distances.

#your ... you

Abraham speaks to all three of the men, so "you" and "your" are plural. (See: [[:en:ta:vol1:translate:figs_you]])