Guardians
From Realspira
In Final Fantasy X, Guardians those who serve as protectors of the Summoner and vow to protect them with their lives whil they travel on the pilgrimage. In Real Spira, however, Guardians are those who have not only chosen to become close friends with Yuna, but each on their own time has proclamed themselves as or referred to being, at least once, one of her Guardians even in spirit and in their hearts. Yuna feels incredibly blessed to have them with her, and cherishes them with her life.
List of Guardians to Yuna
The following people have proclaimed themselves verbally or otherwise as one of Yuna's Guardians:
Rikku
Wakka
Kimahri
Paine
Lulu
Tidus
Cloud
The following people are close enough to Yuna to be considered Guardians in her heart (some are younger than her, some elder):