Resource Star (Yìn Xīng)
The type that nourishes the Day Master. Like elders and protection—it provides the Day Master with strength.
The type that nourishes the Day Master, encompassing Zheng Yin (正印, opposite Yin-Yang) and Pian Yin (偏印, same Yin-Yang).
Like elders, protection, learning, and reliance—it continuously provides the Day Master with strength.
In the Five Element system, Yin Xing (印星) and Bi Jie (比劫) are collectively called Tong Dang (同黨, the same faction).