What does alcaid or alcayde mean?
The definition of alcaid and alcayde
Al*caid”, Al*cayde”, n.
Etym: [Sp. alcaide, fr. Ar. al-qa\’c6d governor, fr. qada to lead, govern.]

1 A commander of a castle or fortress among the Spaniards, Portuguese, and Moors.
2 The warden, or keeper of a jail.