What does the Bible say about armor bearer

Then said Saul unto his armourbearer, Draw thy sword, and thrust me through therewith; lest these uncircumcised come and thrust me through, and abuse me. But his armourbearer would not; for he was sore afraid. Therefore Saul took a sword, and fell upon it. KJV...

And Jonathan climbed up upon his hands and upon his feet, and his armourbearer after him: and they fell before Jonathan; and his armourbearer slew after him. KJV...

And the men of the garrison answered Jonathan and his armourbearer, and said, Come up to us, and we will show you a thing. And Jonathan said unto his armourbearer, Come up after me: for the LORD hath delivered them into the hand of Israel. KJV...

And when his armourbearer saw that Saul was dead, he fell likewise upon his sword, and died with him. KJV...

And his armourbearer said unto him, Do all that is in thine heart: turn thee; behold, I am with thee according to thy heart. KJV...

And that first slaughter, which Jonathan and his armourbearer made, was about twenty men, within as it were an half acre of land, which a yoke of oxen might plow. KJV...

Then said Saul unto the people that were with him, Number now, and see who is gone from us. And when they had numbered, behold, Jonathan and his armourbearer were not there. KJV...

And David came to Saul, and stood before him: and he loved him greatly; and he became his armourbearer. KJV...

So Saul died, and his three sons, and his armourbearer, and all his men, that same day together. KJV...