What is galu?

Some articles on galu:

Survivor: Samoa - The Game - Episode 3: "It's Called A Russell Seed"
... At the combined Reward and Immunity Challenge, Galu never lost their lead and won their third consecutive challenge ... Galu's leader, an option of trading the reward of comfort items for more functional items such as fishing gear, a pot, a lantern, and a tarp ... Believing it would be delightful to the Galu women, Russell S ...
Survivor: Samoa - The Game - Episode 7: "Houdini Magic"
... The men of Galu conspired to vote Shambo in as the new leader of the tribe to secure her loyalty to them, but they kept her in the dark about their plans ... matched pairs were kept for points, and Galu easily won the challenge ... When the Immunity Challenge was won by Galu, Russell H ...
Survivor: Samoa - The Game - Episode 9: "Tastes Like Chicken"
... The group planned only tell Brett and Laura to keep the knowledge in Galu's hands ... In return, she told him about Galu's plot against him ... Galu still believed Russell H ...
Survivor: Samoa - The Game - Episode 4: "Hungry For A Win"
... Erik began a search for the Hidden Immunity Idol at Galu and succeeded ... When the victorious Galu trio returned to Galu with the reward, Shambo was assigned to watch over the chickens, but she mistakenly let one loose ... When Foa Foa broke Galu's Immunity Challenge win streak, deliberations began about how Tribal Council would go down ...