What do you think it means when Gilgamesh says ""A name i will establish?""

He meant that he would build a reputation, a tribute himself.

Explanation:

Gilgamesh said those words when he is about to face the terrible Humbaba. He knew that this would be the battle of his life and he was willing to win it as a way of showing everyone that he would conquer the land he desired and establish his name on it, that is, by entering this battle and winning it, he would create a reputation as a warrior, successful, conqueror and victorious.

b]to spread the message of black power