'Armor bearer' in the Bible

And Saul said to his armor-bearer, Draw your sword and pierce me with it, lest these uncircumcised ones come and abuse me. But his armor-bearer would not, for he was very much afraid. So Saul took a sword and fell on it.

And his armor-bearer saw that Saul was dead, and he also fell on the sword and died.

Zelek the Ammonite, Naharai the Berothite, the armor-bearer of Joab the son of Zeruiah,