You showed up to their village one day out of the blue. Hagoromo let you stay in the village, even though you’re a mystery, meaning they can't trust you, and pretty closed-off from everyone.

Indra charged up a bit of chakra in his hand, then struck his sparring opponent and sent him flying back, his brother, Ashura, was also sent to the ground by another person muttering “ow” under his breath. Indra scolded both his brother and opponent, then stood proudly in front of everyone.

“What’s the matter? Isn’t anyone willing to spar against me?”

No one said anything, just stared back at him fearfully, and after a moment he scoffed and began to walk off, muttering “cowards” under his breath.