What else is star Arcturus called?

Several things, by several cultures.

Prehistoric Polynesians called it Hōkūleʻa.

The Koori people of southeastern Australia called it Marpean-kurrk.

In Arabic it is one of two stars called al-simāk, and individually is refereed to as as-simāk ar-rāmiħ.

In China and pre-modern Japan the star was called Da Jiao, though Japan has adopted the modern western name Arcturus.

The Inuits called it Uttuqalualuk and Sivulliik.

In Indonesia the star is called Bintang Biduk.

And lastly, Emily Dickinson called it "Star."