Ravager can't attack players when they're over Mud, and other than that they can't climb.
MCPE-162483
Ravagers do not attack players above mud blocks
Resolved
Fixed
1
(Unassigned)
906308
Confirmed
Multiple
Xbox one
1.19.40.22 Preview, 1.19.30
1.19.60.23 Preview, 1.19.60
Retrieved
Haha, Ravagers are "Devistators"