coming near: said of someone in the act of approaching, rather than someone who is already close by
This word picks out a person in motion. Hebrew already has a word for being near (קָרֹב) and a verb for the act of drawing near (קָרַב); this one names the one doing the approaching, caught mid-approach. In a battle report it is simply the enemy getting closer, or a runner coming into view. In the laws about the tabernacle it becomes far heavier.
Four times in Numbers the same short line appears: the outsider who comes near shall be put to death. The approach itself is the offense. Nothing has to be touched, taken, or damaged; crossing into the space reserved for the priests is the crime. In Numbers 17:13 the word is repeated, so that the terrified people cry out that anyone at all who comes near the LORD's dwelling will die.
Ezekiel turns the same word the other way. There the priests descended from Zadok are the ones "who come near" to the LORD to serve him, and coming near is their privilege and their job description. One word covers both the trespasser and the minister, because it names the movement and not the right to make it. Who is doing the approaching is what decides life or death.
One passage stretches it further still. In 1 Kings 4:27 the people who come near King Solomon's table are those who eat there as a matter of course, the circle with access to the king. Approach shades into standing, which is easy to lose when an English translation says only that they came to the table.