Squire

Squire was a title given to either a knight's servant or a village leader.

Warlord Yago called his followers his "squires." 

Trelane styled himself the "Squire of Gothos." 

Vincent Wexler gave Mackenzie Calhoun the nickname of "squire" when they first met at Starfleet Academy. 

In the holodeck program Reginald Barclay wrote for Worf in 2369, he cast himself as Worf's squire.