'Man's' in the Bible

They said, “You have not defrauded us or oppressed us or taken anything from any man’s hand.”

Then Saul and all the people who were with him rallied and came to the battle; and behold, every man’s sword was against his fellow, and there was very great confusion.

David said to Saul, “Let no man’s heart fail on account of him; your servant will go and fight with this Philistine.”

(now the man’s name was Nabal, and his wife’s name was Abigail. And the woman was intelligent and beautiful in appearance, but the man was harsh and evil in his dealings, and he was a Calebite),