the owner of the threshing floor which the ark was passing on the trip to Jerusalem when it started to fall off the cart, Uzzah steadied it, and God smote him dead for touching it
Distribution of the word across the Bible: 2 Samuel (1)
2 Samuel 6:6 — And when they came to Nachon’s (נָכ֑וֹן) threshingfloor, Uzzah put forth his hand to the ark of God, and took hold of it; for the oxen shook it.