* Noun: This is the most common usage. A tribe is a group of people, especially one with a shared culture, language, and territory. Example: "The tribe lived in harmony with nature."
* Adjective: Less common, but "tribe" can be used as an adjective to describe something related to a tribe. Example: "The tribe elders met to discuss the future."
* Verb: Extremely rare, but "tribe" can be a verb meaning "to live in a tribe" or "to gather in a group". Example: "They tribed together for protection."
It's important to consider the context of the sentence to determine the correct part of speech.