'Lord' in the Bible

Lord, I beg you, let your ear be attentive now to the prayer of your servant, and to the prayer of your servants, who delight to fear your name; and please prosper your servant this day, and grant him mercy in the sight of this man." Now I was cup bearer to the king.

Next to them the Tekoites repaired; but their nobles didn't put their necks to the work of their lord.

I looked, and rose up, and said to the nobles, and to the rulers, and to the rest of the people, "Don't be afraid of them! Remember the Lord, who is great and awesome, and fight for your brothers, your sons, and your daughters, your wives, and your houses."

Then he said to them, "Go your way. Eat the fat, drink the sweet, and send portions to him for whom nothing is prepared; for this day is holy to our Lord. Don't be grieved; for the joy of Yahweh is your strength."

they joined with their brothers, their nobles, and entered into a curse, and into an oath, to walk in God's law, which was given by Moses the servant of God, and to observe and do all the commandments of Yahweh our Lord, and his ordinances and his statutes;