'Concerning' in the Bible

So his mother’s relatives spoke all these words concerning him so that all the leaders of Shechem could hear; and their hearts were inclined to follow Abimelech, for they said, “He is our relative.”

Then the sons of Israel said, “Which one from all the tribes of Israel did not come up in the assembly to the Lord?” For they had taken a great oath concerning him who did not come up to the Lord at Mizpah, saying, “He shall certainly be put to death.”