Protector
Protector was a title used by several alien races. The term "protector" was also used by Droxine to describe the filter masks supplied by the  to the Ardanan Troglytes. ()

Colyus (or at least the hologram based on him) was a Yaderan protector. He became protector in the early 2360s. ()

Protector was a title given to leaders in Kelemane's species. ()

Titles