'For Us' in the Bible

And the young men that were brought up with him spoke unto him, saying, Thus shall you answer the people that spoke unto you, saying, Your father made our yoke heavy, but you make it somewhat lighter for us; thus shall you say unto them, My little finger shall be thicker than my father's waist.

But as for us, the LORD is our God, and we have not forsaken him; and the priests, who minister unto the LORD, are the sons of Aaron, and the Levites attend to their service: