Geshes:

A Geshe is a title awarded to scholars who have completed rigorous studies in Buddhist philosophy, debate, and other religious subjects, usually at a monastic university. While their primary role is scholarly, Geshes also provide spiritual counseling and teachings.

Nuns (Bhikkhunis):

Ordained male and female members of the Buddhist monastic community. They dedicate their lives to following the Buddha’s teachings closely and are often sought after for spiritual advice, teachings, and guidance.

Khenpos:

In Tibetan Buddhism, Khenpos are scholars who have completed extensive studies in Buddhist philosophy and are qualified to teach.

(Kalyāṇa-mittatā):

While not an official role, the concept of spiritual friendship is central to Buddhism. Spiritual friends support each other in their practice and understanding of the teachings. This can include peers within the Buddhist community.

Bodhisattvas:

These are beings who have chosen to delay their own final enlightenment to help all sentient beings achieve liberation from suffering.