The term 'Israelites, High Priest of the (First)' is referring to AARON, who was the brother of Moses and the first High Priest of the Israelites. He was chosen by God to lead the Israelites out of Egypt and into the Promised Land. AARON was a devoted servant of God and was known for his wisdom and faithfulness. He was also responsible for performing religious ceremonies and offering sacrifices to God on behalf of the Israelites.