'Able' in the Bible

In Judah, it was said:The strength of the laborer fails,since there is so much rubble.We will never be ableto rebuild the wall.

The rest of the people—the priests, Levites, gatekeepers, singers, and temple servants, along with their wives, sons, and daughters, everyone who is able to understand and who has separated themselves from the surrounding peoples to obey the law of God—