'Killed' in the Bible

Should flocks and herds be slaughtered for them, to be sufficient for them? Or should all the fish of the sea be collected for them to be sufficient for them?”

But on the next day the entire congregation of the Israelites murmured against Moses and Aaron, saying, “You have caused the death of the people of the Lord.”

Camp outside the camp for seven days; whoever has killed any person and whoever has touched any dead body, purify yourselves and your captives, on the third day and on the seventh day.

or without seeing him hit him [accidentally] with a stone object that could kill him, and he died, and [the offender] was not his enemy nor intending to harm him,