The Dalai Lamas are believed by Tibetan Buddhists to be manifestations of Avalokiteshvara or Chenrezig, the Bodhisattva of Compassion and the patron saint of Tibet. Bodhisattvas are realized beings, inspired by the wish to attain complete enlightenment, who have vowed to be reborn in the world to help all living beings. From: "The Dalai Lama" https://www.dalailama.com/the-dalai-lama. Accessed 15 Jul. 2021.
"Dalai Lama" refers to the head of the dominant Dge-lugs-pa (Yellow Hat) order of Tibetan Buddhists and, until 1959, both spiritual and temporal ruler of Tibet.
From: "Dalai Lama." Britannica Academic, Encyclopædia Britannica, 30 Apr. 2021. academic.eb.com/levels/collegiate/article/Dalai-Lama/28575. Accessed 14 Jul. 2021.