Elder brother of Moses

AARON

This biblical figure served as the first high priest of Israel and spoke for Moses when he struggled with public speaking.

The clue "Elder brother of Moses" directly refers to Aaron, a key figure in the Bible’s Exodus story. Aaron served as Moses’ spokesman and the first high priest of the Israelites, making him a well-known name in religious and historical contexts. There’s no wordplay here—it’s a straightforward reference to biblical lore. If you’re familiar with the story, Aaron is the obvious answer.