Heres discriptions of two Elders from my fan fics. You could choose either or just change them into warriors for the movie.
Name: Stone Heart
Age: 974
Rank: Elder
Height: 7'8
Weight: 486lbs
Weapons: Spear, shuriken, plasma bombs, dual swords, spear gun - no wristblades
Dreadlocks: Very long and black, adored with metal and other strange objects
Mask: Similar to the Celtic mask exept the wires etc are more bladed and is more black than silver
Armour: Covered in black armour from head to toe, hardly any flesh showing
Brief Bio: Very honourable Predator that will kill whatever harms or kills his own without question. Very skilled and experiensed with weapons/setting traps etc. Keeps on going no matter how hopeless the situation may seem
Name: Clad
Age: 1736
Rank: Elder
Height: 8'0
Weight: 517lbs
Weapons: Dual sacrificial swords, plasma bombs, arm blades, smart disc, dagger, short wristblades
Dreadlocks: Long, grey and covered with feathers
Mask: Very similar to the AvP Elder mask, but more golden and battle scared
Armour: Very little, what he has is golden and covered with furs
Brief Bio: Very old and wise, this Predator hasn't lost if blood lust in combat. Just as fast and agile as a Young Blood, Clad is one heck of an Elder